./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/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 088cf07ab820c3e2b13cf4fcf1507da45ef3935a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-a4ecdab [2020-11-29 20:18:44,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:18:44,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:18:44,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:18:44,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:18:44,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:18:44,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:18:44,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:18:44,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:18:44,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:18:44,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:18:44,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:18:44,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:18:44,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:18:44,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:18:44,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:18:44,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:18:44,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:18:44,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:18:44,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:18:44,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:18:44,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:18:44,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:18:44,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:18:44,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:18:44,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:18:44,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:18:44,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:18:44,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:18:44,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:18:44,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:18:44,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:18:44,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:18:44,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:18:44,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:18:44,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:18:44,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:18:44,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:18:44,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:18:44,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:18:44,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:18:44,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:18:44,942 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:18:44,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:18:44,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:18:44,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:18:44,945 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:18:44,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:18:44,946 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:18:44,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:18:44,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:18:44,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:18:44,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:18:44,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:18:44,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:18:44,948 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:18:44,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:18:44,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:18:44,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:18:44,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:18:44,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:18:44,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:18:44,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:18:44,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:18:44,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:18:44,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:18:44,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:18:44,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:18:44,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:18:44,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:18:44,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:18:44,953 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_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 088cf07ab820c3e2b13cf4fcf1507da45ef3935a [2020-11-29 20:18:45,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:18:45,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:18:45,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:18:45,286 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:18:45,289 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:18:45,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2020-11-29 20:18:45,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/data/f48052c61/5a611311b2e4466a9adb959ab964af79/FLAG7bbe32caa [2020-11-29 20:18:46,286 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:18:46,286 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2020-11-29 20:18:46,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/data/f48052c61/5a611311b2e4466a9adb959ab964af79/FLAG7bbe32caa [2020-11-29 20:18:46,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/data/f48052c61/5a611311b2e4466a9adb959ab964af79 [2020-11-29 20:18:46,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:18:46,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:18:46,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:18:46,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:18:46,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:18:46,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:18:46" (1/1) ... [2020-11-29 20:18:46,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71268a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:46, skipping insertion in model container [2020-11-29 20:18:46,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:18:46" (1/1) ... [2020-11-29 20:18:46,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:18:46,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:18:46,743 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-29 20:18:47,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:18:47,437 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:18:47,449 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-29 20:18:47,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:18:47,931 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:18:47,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47 WrapperNode [2020-11-29 20:18:47,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:18:47,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:18:47,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:18:47,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:18:47,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... [2020-11-29 20:18:48,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... [2020-11-29 20:18:48,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:18:48,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:18:48,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:18:48,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:18:48,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... [2020-11-29 20:18:48,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... [2020-11-29 20:18:48,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... [2020-11-29 20:18:48,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... [2020-11-29 20:18:48,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... [2020-11-29 20:18:48,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... [2020-11-29 20:18:48,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... [2020-11-29 20:18:48,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:18:48,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:18:48,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:18:48,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:18:48,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/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 [2020-11-29 20:18:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-29 20:18:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:18:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-29 20:18:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:18:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 20:18:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:18:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:18:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-11-29 20:18:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-11-29 20:18:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:18:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:18:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:18:48,202 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 20:18:49,080 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:18:49,081 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-11-29 20:18:49,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:18:49 BoogieIcfgContainer [2020-11-29 20:18:49,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:18:49,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:18:49,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:18:49,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:18:49,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:18:46" (1/3) ... [2020-11-29 20:18:49,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e293c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:18:49, skipping insertion in model container [2020-11-29 20:18:49,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:18:47" (2/3) ... [2020-11-29 20:18:49,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e293c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:18:49, skipping insertion in model container [2020-11-29 20:18:49,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:18:49" (3/3) ... [2020-11-29 20:18:49,095 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2020-11-29 20:18:49,108 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-29 20:18:49,109 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:18:49,114 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-29 20:18:49,115 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-29 20:18:49,166 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,167 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,167 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,167 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,167 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,168 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,168 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,168 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,169 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,169 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,169 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,169 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,169 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,170 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,170 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,171 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,171 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,172 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,172 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,172 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,173 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,174 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,174 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,174 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,174 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,175 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,177 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,177 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,178 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,178 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,178 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,178 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,179 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,180 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,181 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,181 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,181 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,182 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,182 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,182 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,182 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,183 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,183 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,183 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,184 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,184 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,184 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,184 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,184 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,185 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,185 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,185 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,188 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,188 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,188 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,189 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,189 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,189 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,190 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,190 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,190 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,190 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,191 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,191 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,194 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,194 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,194 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,194 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,194 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,194 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,195 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,195 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,195 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,195 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,195 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,195 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 20:18:49,218 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-29 20:18:49,231 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-29 20:18:49,267 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:18:49,268 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:18:49,268 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:18:49,268 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:18:49,268 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:18:49,268 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:18:49,269 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:18:49,270 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:18:49,295 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-29 20:18:49,300 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 153 transitions, 328 flow [2020-11-29 20:18:49,303 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 153 transitions, 328 flow [2020-11-29 20:18:49,305 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 147 places, 153 transitions, 328 flow [2020-11-29 20:18:49,426 INFO L129 PetriNetUnfolder]: 15/201 cut-off events. [2020-11-29 20:18:49,426 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-11-29 20:18:49,432 INFO L80 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 201 events. 15/201 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 442 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 99. Up to 4 conditions per place. [2020-11-29 20:18:49,438 INFO L116 LiptonReduction]: Number of co-enabled transitions 2380 [2020-11-29 20:18:49,598 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:49,629 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:49,655 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:49,676 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:49,677 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:49,678 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-11-29 20:18:49,768 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:49,798 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:49,803 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:49,827 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:49,828 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:49,828 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-11-29 20:18:49,846 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:49,886 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:49,892 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:49,915 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:49,916 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:49,917 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-11-29 20:18:53,152 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:53,178 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:53,183 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:53,199 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:53,201 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:53,201 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-11-29 20:18:53,233 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:53,272 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:53,281 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:53,310 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:53,311 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:53,312 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-11-29 20:18:53,329 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:53,363 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:53,368 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:53,410 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:53,412 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:53,412 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-11-29 20:18:55,461 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:55,505 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:55,509 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:55,553 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:55,554 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:55,554 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-11-29 20:18:55,589 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:55,619 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:55,623 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:55,649 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:55,650 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:55,650 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-11-29 20:18:58,783 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:58,809 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:58,818 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:58,857 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:58,859 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:58,859 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-11-29 20:18:58,874 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:58,903 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:58,913 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:58,933 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:58,934 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:58,934 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-11-29 20:18:59,076 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:59,100 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:59,113 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:59,136 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:59,137 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:59,138 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-11-29 20:18:59,152 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:59,180 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:59,185 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:59,217 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:18:59,218 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:18:59,218 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-11-29 20:19:01,341 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:01,370 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:01,390 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:01,419 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:01,420 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:01,421 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-11-29 20:19:01,442 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:01,475 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:01,479 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:01,514 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:01,515 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:01,515 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-11-29 20:19:03,566 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:03,612 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:03,617 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:03,643 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:03,644 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:03,645 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-11-29 20:19:03,660 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:03,690 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:03,694 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:03,743 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:03,744 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:03,745 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:120, output treesize:122 [2020-11-29 20:19:06,203 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:06,283 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:06,287 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:06,311 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:06,312 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:06,312 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-11-29 20:19:06,324 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:06,352 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:06,356 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:06,404 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:06,405 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:06,405 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:108 [2020-11-29 20:19:08,521 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:08,576 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:08,586 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:08,629 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:08,630 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:08,630 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:120, output treesize:122 [2020-11-29 20:19:08,650 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:08,687 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:08,691 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:08,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:08,717 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:08,717 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-11-29 20:19:11,290 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-29 20:19:11,761 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-11-29 20:19:12,148 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-11-29 20:19:12,534 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-29 20:19:12,711 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-29 20:19:13,005 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-29 20:19:13,028 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:13,253 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-29 20:19:13,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:13,260 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:13,452 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-29 20:19:13,452 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:19:13,453 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-29 20:19:13,453 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:181, output treesize:193 [2020-11-29 20:19:13,663 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-29 20:19:14,146 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-11-29 20:19:14,491 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-11-29 20:19:15,119 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-11-29 20:19:15,815 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-11-29 20:19:16,198 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2020-11-29 20:19:17,095 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2020-11-29 20:19:17,436 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-29 20:19:19,299 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 150 DAG size of output: 142 [2020-11-29 20:19:19,987 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-11-29 20:19:20,032 INFO L131 LiptonReduction]: Checked pairs total: 4687 [2020-11-29 20:19:20,032 INFO L133 LiptonReduction]: Total number of compositions: 178 [2020-11-29 20:19:20,039 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 32 transitions, 86 flow [2020-11-29 20:19:20,069 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 190 states. [2020-11-29 20:19:20,071 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-11-29 20:19:20,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 20:19:20,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:20,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-29 20:19:20,079 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:20,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:20,086 INFO L82 PathProgramCache]: Analyzing trace with hash 545004261, now seen corresponding path program 1 times [2020-11-29 20:19:20,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:20,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283215290] [2020-11-29 20:19:20,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:20,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283215290] [2020-11-29 20:19:20,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:20,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:20,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617883643] [2020-11-29 20:19:20,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:19:20,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:20,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:19:20,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:19:20,647 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 4 states. [2020-11-29 20:19:20,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:20,904 INFO L93 Difference]: Finished difference Result 263 states and 612 transitions. [2020-11-29 20:19:20,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:19:20,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-11-29 20:19:20,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:20,921 INFO L225 Difference]: With dead ends: 263 [2020-11-29 20:19:20,921 INFO L226 Difference]: Without dead ends: 245 [2020-11-29 20:19:20,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:19:20,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-11-29 20:19:20,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 215. [2020-11-29 20:19:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-11-29 20:19:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 481 transitions. [2020-11-29 20:19:21,004 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 481 transitions. Word has length 5 [2020-11-29 20:19:21,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:21,004 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 481 transitions. [2020-11-29 20:19:21,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:19:21,005 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 481 transitions. [2020-11-29 20:19:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 20:19:21,005 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:21,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-29 20:19:21,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:19:21,006 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:21,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:21,006 INFO L82 PathProgramCache]: Analyzing trace with hash 545004298, now seen corresponding path program 1 times [2020-11-29 20:19:21,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:21,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578261488] [2020-11-29 20:19:21,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:21,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:21,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578261488] [2020-11-29 20:19:21,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:21,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:19:21,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676179770] [2020-11-29 20:19:21,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:21,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:21,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:21,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:21,134 INFO L87 Difference]: Start difference. First operand 215 states and 481 transitions. Second operand 3 states. [2020-11-29 20:19:21,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:21,236 INFO L93 Difference]: Finished difference Result 273 states and 595 transitions. [2020-11-29 20:19:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:21,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-29 20:19:21,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:21,240 INFO L225 Difference]: With dead ends: 273 [2020-11-29 20:19:21,240 INFO L226 Difference]: Without dead ends: 266 [2020-11-29 20:19:21,241 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 [2020-11-29 20:19:21,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-29 20:19:21,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 251. [2020-11-29 20:19:21,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-11-29 20:19:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 565 transitions. [2020-11-29 20:19:21,272 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 565 transitions. Word has length 5 [2020-11-29 20:19:21,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:21,272 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 565 transitions. [2020-11-29 20:19:21,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 565 transitions. [2020-11-29 20:19:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 20:19:21,275 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:21,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:21,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:19:21,276 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:21,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:21,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1099249949, now seen corresponding path program 1 times [2020-11-29 20:19:21,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:21,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101502409] [2020-11-29 20:19:21,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:21,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101502409] [2020-11-29 20:19:21,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:21,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:21,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380832891] [2020-11-29 20:19:21,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:21,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:21,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:21,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:21,376 INFO L87 Difference]: Start difference. First operand 251 states and 565 transitions. Second operand 3 states. [2020-11-29 20:19:21,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:21,409 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2020-11-29 20:19:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:21,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-29 20:19:21,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:21,411 INFO L225 Difference]: With dead ends: 86 [2020-11-29 20:19:21,411 INFO L226 Difference]: Without dead ends: 86 [2020-11-29 20:19:21,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:21,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-11-29 20:19:21,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-11-29 20:19:21,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-11-29 20:19:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2020-11-29 20:19:21,429 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 10 [2020-11-29 20:19:21,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:21,430 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2020-11-29 20:19:21,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2020-11-29 20:19:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:19:21,433 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:21,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:21,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:19:21,435 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:21,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:21,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1395251818, now seen corresponding path program 1 times [2020-11-29 20:19:21,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:21,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755822133] [2020-11-29 20:19:21,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:21,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755822133] [2020-11-29 20:19:21,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:21,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 20:19:21,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286949278] [2020-11-29 20:19:21,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 20:19:21,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:21,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 20:19:21,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-29 20:19:21,917 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand 8 states. [2020-11-29 20:19:22,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:22,308 INFO L93 Difference]: Finished difference Result 142 states and 255 transitions. [2020-11-29 20:19:22,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 20:19:22,308 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-11-29 20:19:22,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:22,310 INFO L225 Difference]: With dead ends: 142 [2020-11-29 20:19:22,310 INFO L226 Difference]: Without dead ends: 142 [2020-11-29 20:19:22,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-29 20:19:22,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-11-29 20:19:22,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2020-11-29 20:19:22,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-11-29 20:19:22,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 201 transitions. [2020-11-29 20:19:22,319 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 201 transitions. Word has length 18 [2020-11-29 20:19:22,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:22,319 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 201 transitions. [2020-11-29 20:19:22,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 20:19:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 201 transitions. [2020-11-29 20:19:22,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:19:22,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:22,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:22,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:19:22,321 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:22,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:22,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1395251831, now seen corresponding path program 1 times [2020-11-29 20:19:22,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:22,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210497226] [2020-11-29 20:19:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:23,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210497226] [2020-11-29 20:19:23,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:23,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-29 20:19:23,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481685516] [2020-11-29 20:19:23,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 20:19:23,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:23,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 20:19:23,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-29 20:19:23,335 INFO L87 Difference]: Start difference. First operand 109 states and 201 transitions. Second operand 14 states. [2020-11-29 20:19:24,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:24,624 INFO L93 Difference]: Finished difference Result 207 states and 348 transitions. [2020-11-29 20:19:24,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-29 20:19:24,626 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-11-29 20:19:24,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:24,627 INFO L225 Difference]: With dead ends: 207 [2020-11-29 20:19:24,627 INFO L226 Difference]: Without dead ends: 196 [2020-11-29 20:19:24,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2020-11-29 20:19:24,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-11-29 20:19:24,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 115. [2020-11-29 20:19:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-29 20:19:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 211 transitions. [2020-11-29 20:19:24,649 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 211 transitions. Word has length 18 [2020-11-29 20:19:24,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:24,650 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 211 transitions. [2020-11-29 20:19:24,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 20:19:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 211 transitions. [2020-11-29 20:19:24,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:19:24,653 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:24,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:24,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:19:24,655 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:24,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:24,655 INFO L82 PathProgramCache]: Analyzing trace with hash 558218441, now seen corresponding path program 2 times [2020-11-29 20:19:24,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:24,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289876022] [2020-11-29 20:19:24,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:25,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289876022] [2020-11-29 20:19:25,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:25,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-29 20:19:25,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617771758] [2020-11-29 20:19:25,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 20:19:25,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:25,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 20:19:25,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-11-29 20:19:25,760 INFO L87 Difference]: Start difference. First operand 115 states and 211 transitions. Second operand 14 states. [2020-11-29 20:19:27,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:27,018 INFO L93 Difference]: Finished difference Result 209 states and 351 transitions. [2020-11-29 20:19:27,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-29 20:19:27,018 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-11-29 20:19:27,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:27,020 INFO L225 Difference]: With dead ends: 209 [2020-11-29 20:19:27,020 INFO L226 Difference]: Without dead ends: 194 [2020-11-29 20:19:27,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2020-11-29 20:19:27,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-11-29 20:19:27,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 113. [2020-11-29 20:19:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-29 20:19:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 207 transitions. [2020-11-29 20:19:27,027 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 207 transitions. Word has length 18 [2020-11-29 20:19:27,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:27,028 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 207 transitions. [2020-11-29 20:19:27,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 20:19:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 207 transitions. [2020-11-29 20:19:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:19:27,030 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:27,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:27,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:19:27,030 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:27,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:27,031 INFO L82 PathProgramCache]: Analyzing trace with hash -695188169, now seen corresponding path program 3 times [2020-11-29 20:19:27,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:27,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486472474] [2020-11-29 20:19:27,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:28,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486472474] [2020-11-29 20:19:28,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:28,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-29 20:19:28,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880558839] [2020-11-29 20:19:28,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 20:19:28,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:28,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 20:19:28,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-11-29 20:19:28,003 INFO L87 Difference]: Start difference. First operand 113 states and 207 transitions. Second operand 14 states. [2020-11-29 20:19:28,922 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-11-29 20:19:29,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:29,260 INFO L93 Difference]: Finished difference Result 179 states and 313 transitions. [2020-11-29 20:19:29,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 20:19:29,261 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-11-29 20:19:29,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:29,262 INFO L225 Difference]: With dead ends: 179 [2020-11-29 20:19:29,262 INFO L226 Difference]: Without dead ends: 160 [2020-11-29 20:19:29,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2020-11-29 20:19:29,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-11-29 20:19:29,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 111. [2020-11-29 20:19:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 20:19:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 203 transitions. [2020-11-29 20:19:29,268 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 203 transitions. Word has length 18 [2020-11-29 20:19:29,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:29,268 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 203 transitions. [2020-11-29 20:19:29,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 20:19:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 203 transitions. [2020-11-29 20:19:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:19:29,269 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:29,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:29,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:19:29,270 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:29,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:29,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1886432892, now seen corresponding path program 2 times [2020-11-29 20:19:29,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:29,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719778671] [2020-11-29 20:19:29,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:29,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:29,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719778671] [2020-11-29 20:19:29,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:29,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 20:19:29,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268616811] [2020-11-29 20:19:29,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 20:19:29,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:29,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 20:19:29,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 20:19:29,679 INFO L87 Difference]: Start difference. First operand 111 states and 203 transitions. Second operand 8 states. [2020-11-29 20:19:30,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:30,166 INFO L93 Difference]: Finished difference Result 146 states and 260 transitions. [2020-11-29 20:19:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 20:19:30,167 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-11-29 20:19:30,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:30,168 INFO L225 Difference]: With dead ends: 146 [2020-11-29 20:19:30,168 INFO L226 Difference]: Without dead ends: 146 [2020-11-29 20:19:30,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-11-29 20:19:30,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-29 20:19:30,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 111. [2020-11-29 20:19:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 20:19:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 203 transitions. [2020-11-29 20:19:30,174 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 203 transitions. Word has length 18 [2020-11-29 20:19:30,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:30,174 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 203 transitions. [2020-11-29 20:19:30,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 20:19:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 203 transitions. [2020-11-29 20:19:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:19:30,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:30,177 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:30,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 20:19:30,178 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:30,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:30,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1886432905, now seen corresponding path program 4 times [2020-11-29 20:19:30,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:30,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776799868] [2020-11-29 20:19:30,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:31,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776799868] [2020-11-29 20:19:31,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:31,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-29 20:19:31,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735607127] [2020-11-29 20:19:31,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 20:19:31,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:31,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 20:19:31,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-11-29 20:19:31,095 INFO L87 Difference]: Start difference. First operand 111 states and 203 transitions. Second operand 14 states. [2020-11-29 20:19:32,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:32,352 INFO L93 Difference]: Finished difference Result 175 states and 304 transitions. [2020-11-29 20:19:32,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 20:19:32,353 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-11-29 20:19:32,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:32,354 INFO L225 Difference]: With dead ends: 175 [2020-11-29 20:19:32,354 INFO L226 Difference]: Without dead ends: 150 [2020-11-29 20:19:32,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2020-11-29 20:19:32,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-11-29 20:19:32,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 107. [2020-11-29 20:19:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-29 20:19:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 197 transitions. [2020-11-29 20:19:32,360 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 197 transitions. Word has length 18 [2020-11-29 20:19:32,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:32,360 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 197 transitions. [2020-11-29 20:19:32,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 20:19:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 197 transitions. [2020-11-29 20:19:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:19:32,362 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:32,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:32,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 20:19:32,362 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:32,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:32,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1027536138, now seen corresponding path program 3 times [2020-11-29 20:19:32,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:32,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199273825] [2020-11-29 20:19:32,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:32,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199273825] [2020-11-29 20:19:32,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:32,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-29 20:19:32,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774708944] [2020-11-29 20:19:32,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-29 20:19:32,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:32,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-29 20:19:32,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-29 20:19:32,931 INFO L87 Difference]: Start difference. First operand 107 states and 197 transitions. Second operand 11 states. [2020-11-29 20:19:33,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:33,507 INFO L93 Difference]: Finished difference Result 243 states and 426 transitions. [2020-11-29 20:19:33,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 20:19:33,507 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-11-29 20:19:33,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:33,509 INFO L225 Difference]: With dead ends: 243 [2020-11-29 20:19:33,509 INFO L226 Difference]: Without dead ends: 243 [2020-11-29 20:19:33,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-11-29 20:19:33,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-11-29 20:19:33,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 135. [2020-11-29 20:19:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-29 20:19:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 263 transitions. [2020-11-29 20:19:33,517 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 263 transitions. Word has length 18 [2020-11-29 20:19:33,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:33,517 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 263 transitions. [2020-11-29 20:19:33,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-29 20:19:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 263 transitions. [2020-11-29 20:19:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:19:33,518 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:33,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:33,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 20:19:33,519 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:33,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:33,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1027536125, now seen corresponding path program 5 times [2020-11-29 20:19:33,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:33,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978633082] [2020-11-29 20:19:33,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:19:33,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:19:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:19:33,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:19:33,638 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:19:33,638 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 20:19:33,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 20:19:33,640 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-29 20:19:33,655 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [539] [539] L1721-3-->L1739-2: Formula: (let ((.cse1 (select |#memory_int_In1750630741| |ULTIMATE.start_main_~#data~1.base_In1750630741|))) (and (let ((.cse0 (= 2 |ULTIMATE.start_main_#t~mem20_Out1750630741|))) (or (and .cse0 (= |ULTIMATE.start_ldv_assert_#in~expression_Out1750630741| 1)) (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out1750630741| 0) (not .cse0)))) (= (select .cse1 (+ |ULTIMATE.start_main_~#data~1.offset_In1750630741| 28)) |ULTIMATE.start_main_#t~mem20_Out1750630741|) (= (select .cse1 (+ |ULTIMATE.start_main_~#data~1.offset_In1750630741| 24)) 1) (= |ULTIMATE.start_reach_error_#t~nondet8.offset_In1750630741| |ULTIMATE.start_reach_error_#t~nondet8.offset_Out1750630741|) (= ULTIMATE.start_ldv_assert_~expression_Out1750630741 1) (= |ULTIMATE.start_reach_error_#t~nondet8.base_In1750630741| |ULTIMATE.start_reach_error_#t~nondet8.base_Out1750630741|) (= (store |#valid_In1750630741| |ULTIMATE.start_my_drv_disconnect_~#status~0.base_In1750630741| 0) |#valid_Out1750630741|))) InVars {ULTIMATE.start_reach_error_#t~nondet8.base=|ULTIMATE.start_reach_error_#t~nondet8.base_In1750630741|, ULTIMATE.start_my_drv_disconnect_~#status~0.base=|ULTIMATE.start_my_drv_disconnect_~#status~0.base_In1750630741|, #valid=|#valid_In1750630741|, #memory_int=|#memory_int_In1750630741|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In1750630741|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In1750630741|, ULTIMATE.start_reach_error_#t~nondet8.offset=|ULTIMATE.start_reach_error_#t~nondet8.offset_In1750630741|} OutVars{ULTIMATE.start_my_drv_disconnect_#t~mem15=|ULTIMATE.start_my_drv_disconnect_#t~mem15_Out1750630741|, ULTIMATE.start_my_drv_disconnect_#t~nondet16.base=|ULTIMATE.start_my_drv_disconnect_#t~nondet16.base_Out1750630741|, ULTIMATE.start_reach_error_#t~nondet8.base=|ULTIMATE.start_reach_error_#t~nondet8.base_Out1750630741|, ULTIMATE.start_main_#t~mem20=|ULTIMATE.start_main_#t~mem20_Out1750630741|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out1750630741|, ULTIMATE.start_reach_error_#t~nondet8.offset=|ULTIMATE.start_reach_error_#t~nondet8.offset_Out1750630741|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1750630741, ULTIMATE.start_my_drv_disconnect_#t~nondet16.offset=|ULTIMATE.start_my_drv_disconnect_#t~nondet16.offset_Out1750630741|, ULTIMATE.start_my_drv_disconnect_~#status~0.offset=|ULTIMATE.start_my_drv_disconnect_~#status~0.offset_Out1750630741|, ULTIMATE.start_my_drv_disconnect_~#status~0.base=|ULTIMATE.start_my_drv_disconnect_~#status~0.base_Out1750630741|, #valid=|#valid_Out1750630741|, #memory_int=|#memory_int_In1750630741|, ULTIMATE.start_main_#t~mem19=|ULTIMATE.start_main_#t~mem19_Out1750630741|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In1750630741|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In1750630741|} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_disconnect_#t~mem15, ULTIMATE.start_my_drv_disconnect_#t~nondet16.offset, ULTIMATE.start_my_drv_disconnect_#t~nondet16.base, ULTIMATE.start_reach_error_#t~nondet8.base, ULTIMATE.start_my_drv_disconnect_~#status~0.offset, ULTIMATE.start_my_drv_disconnect_~#status~0.base, ULTIMATE.start_main_#t~mem20, #valid, ULTIMATE.start_main_#t~mem19, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_reach_error_#t~nondet8.offset, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-11-29 20:19:33,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:19:33 BasicIcfg [2020-11-29 20:19:33,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:19:33,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:19:33,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:19:33,715 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:19:33,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:18:49" (3/4) ... [2020-11-29 20:19:33,718 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 20:19:33,727 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [539] [539] L1721-3-->L1739-2: Formula: (let ((.cse1 (select |#memory_int_In1750630741| |ULTIMATE.start_main_~#data~1.base_In1750630741|))) (and (let ((.cse0 (= 2 |ULTIMATE.start_main_#t~mem20_Out1750630741|))) (or (and .cse0 (= |ULTIMATE.start_ldv_assert_#in~expression_Out1750630741| 1)) (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out1750630741| 0) (not .cse0)))) (= (select .cse1 (+ |ULTIMATE.start_main_~#data~1.offset_In1750630741| 28)) |ULTIMATE.start_main_#t~mem20_Out1750630741|) (= (select .cse1 (+ |ULTIMATE.start_main_~#data~1.offset_In1750630741| 24)) 1) (= |ULTIMATE.start_reach_error_#t~nondet8.offset_In1750630741| |ULTIMATE.start_reach_error_#t~nondet8.offset_Out1750630741|) (= ULTIMATE.start_ldv_assert_~expression_Out1750630741 1) (= |ULTIMATE.start_reach_error_#t~nondet8.base_In1750630741| |ULTIMATE.start_reach_error_#t~nondet8.base_Out1750630741|) (= (store |#valid_In1750630741| |ULTIMATE.start_my_drv_disconnect_~#status~0.base_In1750630741| 0) |#valid_Out1750630741|))) InVars {ULTIMATE.start_reach_error_#t~nondet8.base=|ULTIMATE.start_reach_error_#t~nondet8.base_In1750630741|, ULTIMATE.start_my_drv_disconnect_~#status~0.base=|ULTIMATE.start_my_drv_disconnect_~#status~0.base_In1750630741|, #valid=|#valid_In1750630741|, #memory_int=|#memory_int_In1750630741|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In1750630741|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In1750630741|, ULTIMATE.start_reach_error_#t~nondet8.offset=|ULTIMATE.start_reach_error_#t~nondet8.offset_In1750630741|} OutVars{ULTIMATE.start_my_drv_disconnect_#t~mem15=|ULTIMATE.start_my_drv_disconnect_#t~mem15_Out1750630741|, ULTIMATE.start_my_drv_disconnect_#t~nondet16.base=|ULTIMATE.start_my_drv_disconnect_#t~nondet16.base_Out1750630741|, ULTIMATE.start_reach_error_#t~nondet8.base=|ULTIMATE.start_reach_error_#t~nondet8.base_Out1750630741|, ULTIMATE.start_main_#t~mem20=|ULTIMATE.start_main_#t~mem20_Out1750630741|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out1750630741|, ULTIMATE.start_reach_error_#t~nondet8.offset=|ULTIMATE.start_reach_error_#t~nondet8.offset_Out1750630741|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1750630741, ULTIMATE.start_my_drv_disconnect_#t~nondet16.offset=|ULTIMATE.start_my_drv_disconnect_#t~nondet16.offset_Out1750630741|, ULTIMATE.start_my_drv_disconnect_~#status~0.offset=|ULTIMATE.start_my_drv_disconnect_~#status~0.offset_Out1750630741|, ULTIMATE.start_my_drv_disconnect_~#status~0.base=|ULTIMATE.start_my_drv_disconnect_~#status~0.base_Out1750630741|, #valid=|#valid_Out1750630741|, #memory_int=|#memory_int_In1750630741|, ULTIMATE.start_main_#t~mem19=|ULTIMATE.start_main_#t~mem19_Out1750630741|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In1750630741|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In1750630741|} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_disconnect_#t~mem15, ULTIMATE.start_my_drv_disconnect_#t~nondet16.offset, ULTIMATE.start_my_drv_disconnect_#t~nondet16.base, ULTIMATE.start_reach_error_#t~nondet8.base, ULTIMATE.start_my_drv_disconnect_~#status~0.offset, ULTIMATE.start_my_drv_disconnect_~#status~0.base, ULTIMATE.start_main_#t~mem20, #valid, ULTIMATE.start_main_#t~mem19, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_reach_error_#t~nondet8.offset, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-11-29 20:19:33,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5002ac00-41a0-4f43-a0f4-07ed9d2c6f58/bin/uautomizer/witness.graphml [2020-11-29 20:19:33,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:19:33,821 INFO L168 Benchmark]: Toolchain (without parser) took 47418.89 ms. Allocated memory was 104.9 MB in the beginning and 226.5 MB in the end (delta: 121.6 MB). Free memory was 74.3 MB in the beginning and 79.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 117.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:33,821 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 64.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:19:33,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1529.19 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 74.1 MB in the beginning and 82.0 MB in the end (delta: -7.9 MB). Peak memory consumption was 53.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:33,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.72 ms. Allocated memory is still 151.0 MB. Free memory was 82.0 MB in the beginning and 79.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:33,823 INFO L168 Benchmark]: Boogie Preprocessor took 80.02 ms. Allocated memory is still 151.0 MB. Free memory was 79.0 MB in the beginning and 76.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:33,823 INFO L168 Benchmark]: RCFGBuilder took 964.56 ms. Allocated memory is still 151.0 MB. Free memory was 76.8 MB in the beginning and 88.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:33,824 INFO L168 Benchmark]: TraceAbstraction took 44627.28 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 87.5 MB in the beginning and 86.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 78.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:33,824 INFO L168 Benchmark]: Witness Printer took 104.16 ms. Allocated memory is still 226.5 MB. Free memory was 86.5 MB in the beginning and 79.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:33,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 64.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1529.19 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 74.1 MB in the beginning and 82.0 MB in the end (delta: -7.9 MB). Peak memory consumption was 53.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.72 ms. Allocated memory is still 151.0 MB. Free memory was 82.0 MB in the beginning and 79.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.02 ms. Allocated memory is still 151.0 MB. Free memory was 79.0 MB in the beginning and 76.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 964.56 ms. Allocated memory is still 151.0 MB. Free memory was 76.8 MB in the beginning and 88.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44627.28 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 87.5 MB in the beginning and 86.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 78.6 MB. Max. memory is 16.1 GB. * Witness Printer took 104.16 ms. Allocated memory is still 226.5 MB. Free memory was 86.5 MB in the beginning and 79.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1584 VarBasedMoverChecksPositive, 45 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 36 SemBasedMoverChecksNegative, 8 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 18.5s, 50 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 30.7s, 147 PlacesBefore, 34 PlacesAfterwards, 153 TransitionsBefore, 32 TransitionsAfterwards, 2380 CoEnabledTransitionPairs, 7 FixpointIterations, 81 TrivialSequentialCompositions, 62 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 20 ConcurrentYvCompositions, 8 ChoiceCompositions, 178 TotalNumberOfCompositions, 4687 MoverChecksTotal - CounterExampleResult [Line: 1671]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1725] 0 return 0; [L1731] 0 int ret = my_drv_init(); [L1732] COND TRUE 0 ret==0 [L1733] 0 int probe_ret; [L1734] 0 struct my_data data; [L1704] 0 struct device *d = &data->dev; [L1706] 0 data->shared.a = 0 [L1707] 0 data->shared.b = 0 [L1708] 0 int res = __VERIFIER_nondet_int(); [L1709] COND FALSE 0 !(\read(res)) [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, t1={5:0}, t2={8:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={8:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={5:0}, t2={8:0}] [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 2 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={5:0}, t2={8:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 [L1701] 1 return 0; [L1699] 2 data->shared.b = lb + 1 [L1701] 2 return 0; [L1713] 0 return 0; [L1735] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={5:0}, t2={8:0}] [L1736] COND TRUE 0 probe_ret==0 [L1719] 0 void *status; [L1720] 0 \read(t1) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={5:0}, t2={8:0}] [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={5:0}, t2={8:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={5:0}, t2={8:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={5:0}, t2={8:0}] [L1675] COND TRUE 0 !expression [L1671] COND FALSE 0 !(0) [L1671] 0 __assert_fail ("0", "race-2_2-container_of.c", 14, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={5:0}, t2={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 130 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 44.3s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 30.7s, HoareTripleCheckerStatistics: 222 SDtfs, 543 SDslu, 755 SDs, 0 SdLazy, 2160 SolverSat, 248 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=2, 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, 10 MinimizatonAttempts, 475 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 46664 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...