./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:05:33,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:05:33,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:05:34,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:05:34,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:05:34,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:05:34,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:05:34,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:05:34,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:05:34,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:05:34,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:05:34,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:05:34,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:05:34,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:05:34,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:05:34,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:05:34,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:05:34,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:05:34,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:05:34,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:05:34,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:05:34,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:05:34,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:05:34,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:05:34,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:05:34,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:05:34,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:05:34,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:05:34,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:05:34,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:05:34,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:05:34,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:05:34,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:05:34,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:05:34,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:05:34,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:05:34,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:05:34,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:05:34,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:05:34,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:05:34,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:05:34,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 22:05:34,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:05:34,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:05:34,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:05:34,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:05:34,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:05:34,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:05:34,182 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:05:34,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:05:34,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:05:34,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:05:34,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:05:34,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:05:34,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:05:34,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:05:34,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:05:34,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:05:34,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:05:34,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:05:34,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:05:34,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:05:34,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:05:34,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:05:34,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:05:34,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:05:34,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:05:34,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:05:34,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:05:34,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:05:34,188 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:05:34,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:05:34,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:05:34,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:05:34,189 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_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2021-11-02 22:05:34,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:05:34,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:05:34,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:05:34,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:05:34,589 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:05:34,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2021-11-02 22:05:34,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/data/bf3ed5537/bf331293b47f4b8993f88d0968f5d828/FLAGf42d8a42a [2021-11-02 22:05:35,407 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:05:35,408 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2021-11-02 22:05:35,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/data/bf3ed5537/bf331293b47f4b8993f88d0968f5d828/FLAGf42d8a42a [2021-11-02 22:05:35,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/data/bf3ed5537/bf331293b47f4b8993f88d0968f5d828 [2021-11-02 22:05:35,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:05:35,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:05:35,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:05:35,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:05:35,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:05:35,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:05:35" (1/1) ... [2021-11-02 22:05:35,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342ff872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:35, skipping insertion in model container [2021-11-02 22:05:35,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:05:35" (1/1) ... [2021-11-02 22:05:35,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:05:35,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:05:35,958 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-02 22:05:36,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2021-11-02 22:05:37,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:05:37,067 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:05:37,085 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-02 22:05:37,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2021-11-02 22:05:37,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:05:37,376 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:05:37,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37 WrapperNode [2021-11-02 22:05:37,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:05:37,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:05:37,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:05:37,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:05:37,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:05:37,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:05:37,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:05:37,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:05:37,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:05:37,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:05:37,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:05:37,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:05:37,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (1/1) ... [2021-11-02 22:05:37,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:05:37,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:05:37,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:05:37,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:05:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-02 22:05:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:05:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-02 22:05:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:05:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-02 22:05:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:05:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:05:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:05:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-11-02 22:05:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-11-02 22:05:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:05:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:05:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:05:37,648 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-02 22:05:38,602 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:05:38,609 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-11-02 22:05:38,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:05:38 BoogieIcfgContainer [2021-11-02 22:05:38,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:05:38,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:05:38,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:05:38,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:05:38,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:05:35" (1/3) ... [2021-11-02 22:05:38,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af255eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:05:38, skipping insertion in model container [2021-11-02 22:05:38,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:05:37" (2/3) ... [2021-11-02 22:05:38,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af255eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:05:38, skipping insertion in model container [2021-11-02 22:05:38,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:05:38" (3/3) ... [2021-11-02 22:05:38,626 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2021-11-02 22:05:38,634 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:05:38,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:05:38,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-02 22:05:38,635 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:05:38,687 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,687 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,687 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,687 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,688 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,688 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,688 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,688 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,689 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,689 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,689 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,689 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,689 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,690 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,690 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,690 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,690 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,690 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,691 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,691 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,691 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,691 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,691 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,692 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,692 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,692 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,692 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,692 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,693 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,693 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,693 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,693 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,694 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,694 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,694 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,694 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,695 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,695 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,695 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,695 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,696 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,696 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,696 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,696 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,696 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,698 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,699 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,700 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,700 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,704 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,704 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,704 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,705 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,706 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,708 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,709 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,712 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,712 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,713 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,713 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,713 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,714 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,714 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,714 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,714 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,721 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,721 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,722 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,722 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,722 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,722 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,722 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,723 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,723 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,723 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,723 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,723 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,723 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,724 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,724 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,724 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,724 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,724 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,725 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,726 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,726 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,727 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,727 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,727 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,727 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,728 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,728 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,728 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,728 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,728 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,728 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,729 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,729 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,729 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,729 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,729 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,730 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,730 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,730 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,730 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,730 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,731 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,731 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,731 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,731 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,740 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,741 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,741 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,741 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,741 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,742 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,742 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,742 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,743 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,743 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,743 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,743 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,743 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,746 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,747 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,747 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,748 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,748 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,748 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,750 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,751 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,751 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,751 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,751 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,751 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,752 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:38,764 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-02 22:05:38,821 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:05:38,828 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 22:05:38,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-02 22:05:38,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 153 transitions, 322 flow [2021-11-02 22:05:38,930 INFO L129 PetriNetUnfolder]: 8/189 cut-off events. [2021-11-02 22:05:38,930 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-02 22:05:38,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 189 events. 8/189 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 330 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 99. Up to 4 conditions per place. [2021-11-02 22:05:38,936 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 153 transitions, 322 flow [2021-11-02 22:05:38,943 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 141 transitions, 294 flow [2021-11-02 22:05:38,967 INFO L129 PetriNetUnfolder]: 0/82 cut-off events. [2021-11-02 22:05:38,968 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-02 22:05:38,968 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:05:38,969 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:05:38,969 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-02 22:05:38,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:05:38,976 INFO L85 PathProgramCache]: Analyzing trace with hash 79131282, now seen corresponding path program 1 times [2021-11-02 22:05:38,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:05:38,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735048843] [2021-11-02 22:05:38,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:05:38,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:05:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:05:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:05:39,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:05:39,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735048843] [2021-11-02 22:05:39,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735048843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:05:39,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:05:39,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:05:39,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23305998] [2021-11-02 22:05:39,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:05:39,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:05:39,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:05:39,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:05:39,764 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 153 [2021-11-02 22:05:39,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 141 transitions, 294 flow. Second operand has 6 states, 6 states have (on average 90.66666666666667) internal successors, (544), 6 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:39,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:05:39,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 153 [2021-11-02 22:05:39,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:05:40,834 INFO L129 PetriNetUnfolder]: 844/1893 cut-off events. [2021-11-02 22:05:40,835 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-02 22:05:40,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 1893 events. 844/1893 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 12199 event pairs, 190 based on Foata normal form. 17/1872 useless extension candidates. Maximal degree in co-relation 3133. Up to 600 conditions per place. [2021-11-02 22:05:40,866 INFO L132 encePairwiseOnDemand]: 129/153 looper letters, 96 selfloop transitions, 48 changer transitions 0/225 dead transitions. [2021-11-02 22:05:40,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 225 transitions, 750 flow [2021-11-02 22:05:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-02 22:05:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-02 22:05:40,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1381 transitions. [2021-11-02 22:05:40,894 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6447245564892624 [2021-11-02 22:05:40,899 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1381 transitions. [2021-11-02 22:05:40,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1381 transitions. [2021-11-02 22:05:40,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:05:40,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1381 transitions. [2021-11-02 22:05:40,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 98.64285714285714) internal successors, (1381), 14 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:40,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 153.0) internal successors, (2295), 15 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:40,935 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 153.0) internal successors, (2295), 15 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:40,938 INFO L186 Difference]: Start difference. First operand has 143 places, 141 transitions, 294 flow. Second operand 14 states and 1381 transitions. [2021-11-02 22:05:40,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 225 transitions, 750 flow [2021-11-02 22:05:40,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 225 transitions, 742 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-02 22:05:40,957 INFO L242 Difference]: Finished difference. Result has 157 places, 174 transitions, 575 flow [2021-11-02 22:05:40,960 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=575, PETRI_PLACES=157, PETRI_TRANSITIONS=174} [2021-11-02 22:05:40,961 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 14 predicate places. [2021-11-02 22:05:40,962 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 174 transitions, 575 flow [2021-11-02 22:05:40,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.66666666666667) internal successors, (544), 6 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:40,963 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:05:40,963 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:05:40,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:05:40,965 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-02 22:05:40,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:05:40,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1534279196, now seen corresponding path program 1 times [2021-11-02 22:05:40,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:05:40,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711220086] [2021-11-02 22:05:40,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:05:40,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:05:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:05:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:05:41,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:05:41,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711220086] [2021-11-02 22:05:41,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711220086] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:05:41,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:05:41,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:05:41,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709844964] [2021-11-02 22:05:41,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:05:41,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:05:41,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:05:41,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:05:41,243 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 153 [2021-11-02 22:05:41,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 174 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:41,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:05:41,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 153 [2021-11-02 22:05:41,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:05:42,296 INFO L129 PetriNetUnfolder]: 1098/2452 cut-off events. [2021-11-02 22:05:42,297 INFO L130 PetriNetUnfolder]: For 10473/10494 co-relation queries the response was YES. [2021-11-02 22:05:42,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8908 conditions, 2452 events. 1098/2452 cut-off events. For 10473/10494 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 17170 event pairs, 234 based on Foata normal form. 47/2486 useless extension candidates. Maximal degree in co-relation 7905. Up to 843 conditions per place. [2021-11-02 22:05:42,337 INFO L132 encePairwiseOnDemand]: 134/153 looper letters, 71 selfloop transitions, 44 changer transitions 71/267 dead transitions. [2021-11-02 22:05:42,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 267 transitions, 1688 flow [2021-11-02 22:05:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-02 22:05:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-02 22:05:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1186 transitions. [2021-11-02 22:05:42,344 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6459694989106753 [2021-11-02 22:05:42,344 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1186 transitions. [2021-11-02 22:05:42,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1186 transitions. [2021-11-02 22:05:42,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:05:42,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1186 transitions. [2021-11-02 22:05:42,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 98.83333333333333) internal successors, (1186), 12 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,359 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,360 INFO L186 Difference]: Start difference. First operand has 157 places, 174 transitions, 575 flow. Second operand 12 states and 1186 transitions. [2021-11-02 22:05:42,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 267 transitions, 1688 flow [2021-11-02 22:05:42,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 267 transitions, 1688 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-02 22:05:42,439 INFO L242 Difference]: Finished difference. Result has 176 places, 178 transitions, 885 flow [2021-11-02 22:05:42,440 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=885, PETRI_PLACES=176, PETRI_TRANSITIONS=178} [2021-11-02 22:05:42,441 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 33 predicate places. [2021-11-02 22:05:42,441 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 178 transitions, 885 flow [2021-11-02 22:05:42,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,443 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:05:42,444 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:05:42,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:05:42,445 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-02 22:05:42,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:05:42,447 INFO L85 PathProgramCache]: Analyzing trace with hash 981523951, now seen corresponding path program 1 times [2021-11-02 22:05:42,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:05:42,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365913611] [2021-11-02 22:05:42,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:05:42,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:05:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:05:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:05:42,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:05:42,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365913611] [2021-11-02 22:05:42,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365913611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:05:42,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:05:42,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:05:42,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010565941] [2021-11-02 22:05:42,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:05:42,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:05:42,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:05:42,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:05:42,650 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 153 [2021-11-02 22:05:42,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 178 transitions, 885 flow. Second operand has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:05:42,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 153 [2021-11-02 22:05:42,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:05:42,726 INFO L129 PetriNetUnfolder]: 4/152 cut-off events. [2021-11-02 22:05:42,726 INFO L130 PetriNetUnfolder]: For 448/508 co-relation queries the response was YES. [2021-11-02 22:05:42,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 152 events. 4/152 cut-off events. For 448/508 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 218 event pairs, 4 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 319. Up to 13 conditions per place. [2021-11-02 22:05:42,728 INFO L132 encePairwiseOnDemand]: 148/153 looper letters, 5 selfloop transitions, 4 changer transitions 0/114 dead transitions. [2021-11-02 22:05:42,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 114 transitions, 367 flow [2021-11-02 22:05:42,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:05:42,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-02 22:05:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 814 transitions. [2021-11-02 22:05:42,733 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8867102396514162 [2021-11-02 22:05:42,734 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 814 transitions. [2021-11-02 22:05:42,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 814 transitions. [2021-11-02 22:05:42,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:05:42,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 814 transitions. [2021-11-02 22:05:42,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 135.66666666666666) internal successors, (814), 6 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,744 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,745 INFO L186 Difference]: Start difference. First operand has 176 places, 178 transitions, 885 flow. Second operand 6 states and 814 transitions. [2021-11-02 22:05:42,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 114 transitions, 367 flow [2021-11-02 22:05:42,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 114 transitions, 258 flow, removed 40 selfloop flow, removed 17 redundant places. [2021-11-02 22:05:42,755 INFO L242 Difference]: Finished difference. Result has 127 places, 114 transitions, 248 flow [2021-11-02 22:05:42,756 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=248, PETRI_PLACES=127, PETRI_TRANSITIONS=114} [2021-11-02 22:05:42,756 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -16 predicate places. [2021-11-02 22:05:42,756 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 114 transitions, 248 flow [2021-11-02 22:05:42,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,757 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:05:42,757 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:05:42,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:05:42,758 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-02 22:05:42,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:05:42,760 INFO L85 PathProgramCache]: Analyzing trace with hash -159553889, now seen corresponding path program 1 times [2021-11-02 22:05:42,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:05:42,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507597724] [2021-11-02 22:05:42,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:05:42,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:05:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:05:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:05:42,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:05:42,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507597724] [2021-11-02 22:05:42,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507597724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:05:42,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:05:42,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:05:42,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353606804] [2021-11-02 22:05:42,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:05:42,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:05:42,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:05:42,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:05:42,985 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-11-02 22:05:42,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 114 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:42,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:05:42,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-11-02 22:05:42,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:05:43,179 INFO L129 PetriNetUnfolder]: 117/419 cut-off events. [2021-11-02 22:05:43,179 INFO L130 PetriNetUnfolder]: For 61/64 co-relation queries the response was YES. [2021-11-02 22:05:43,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 419 events. 117/419 cut-off events. For 61/64 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1711 event pairs, 88 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 760. Up to 211 conditions per place. [2021-11-02 22:05:43,183 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 32 selfloop transitions, 5 changer transitions 0/123 dead transitions. [2021-11-02 22:05:43,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 123 transitions, 344 flow [2021-11-02 22:05:43,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:05:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-02 22:05:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2021-11-02 22:05:43,186 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8213507625272332 [2021-11-02 22:05:43,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 377 transitions. [2021-11-02 22:05:43,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 377 transitions. [2021-11-02 22:05:43,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:05:43,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 377 transitions. [2021-11-02 22:05:43,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:43,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:43,190 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:43,191 INFO L186 Difference]: Start difference. First operand has 127 places, 114 transitions, 248 flow. Second operand 3 states and 377 transitions. [2021-11-02 22:05:43,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 123 transitions, 344 flow [2021-11-02 22:05:43,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 123 transitions, 337 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-02 22:05:43,195 INFO L242 Difference]: Finished difference. Result has 127 places, 118 transitions, 283 flow [2021-11-02 22:05:43,195 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=283, PETRI_PLACES=127, PETRI_TRANSITIONS=118} [2021-11-02 22:05:43,196 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -16 predicate places. [2021-11-02 22:05:43,196 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 118 transitions, 283 flow [2021-11-02 22:05:43,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:43,197 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:05:43,197 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:05:43,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:05:43,198 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-02 22:05:43,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:05:43,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1531305961, now seen corresponding path program 1 times [2021-11-02 22:05:43,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:05:43,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699429015] [2021-11-02 22:05:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:05:43,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:05:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:05:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:05:43,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:05:43,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699429015] [2021-11-02 22:05:43,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699429015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:05:43,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:05:43,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:05:43,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346581840] [2021-11-02 22:05:43,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:05:43,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:05:43,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:05:43,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:05:43,312 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2021-11-02 22:05:43,313 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 118 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:43,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:05:43,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2021-11-02 22:05:43,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:05:43,465 INFO L129 PetriNetUnfolder]: 124/438 cut-off events. [2021-11-02 22:05:43,465 INFO L130 PetriNetUnfolder]: For 201/204 co-relation queries the response was YES. [2021-11-02 22:05:43,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 438 events. 124/438 cut-off events. For 201/204 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1812 event pairs, 92 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 901. Up to 223 conditions per place. [2021-11-02 22:05:43,470 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 34 selfloop transitions, 7 changer transitions 0/127 dead transitions. [2021-11-02 22:05:43,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 127 transitions, 407 flow [2021-11-02 22:05:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:05:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-02 22:05:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2021-11-02 22:05:43,473 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8191721132897604 [2021-11-02 22:05:43,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 376 transitions. [2021-11-02 22:05:43,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions. [2021-11-02 22:05:43,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:05:43,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions. [2021-11-02 22:05:43,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:43,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:43,477 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:43,478 INFO L186 Difference]: Start difference. First operand has 127 places, 118 transitions, 283 flow. Second operand 3 states and 376 transitions. [2021-11-02 22:05:43,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 127 transitions, 407 flow [2021-11-02 22:05:43,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 127 transitions, 383 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-11-02 22:05:43,483 INFO L242 Difference]: Finished difference. Result has 129 places, 123 transitions, 329 flow [2021-11-02 22:05:43,483 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=129, PETRI_TRANSITIONS=123} [2021-11-02 22:05:43,483 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, -14 predicate places. [2021-11-02 22:05:43,484 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 123 transitions, 329 flow [2021-11-02 22:05:43,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:43,484 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:05:43,484 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:05:43,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:05:43,485 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-02 22:05:43,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:05:43,486 INFO L85 PathProgramCache]: Analyzing trace with hash 453316761, now seen corresponding path program 1 times [2021-11-02 22:05:43,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:05:43,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037245500] [2021-11-02 22:05:43,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:05:43,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:05:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:05:43,596 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:05:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:05:43,749 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:05:43,750 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-02 22:05:43,751 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:05:43,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:05:43,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:05:43,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:05:43,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:05:43,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:05:43,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-02 22:05:43,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-02 22:05:43,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:05:43,760 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-02 22:05:43,768 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-02 22:05:43,768 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:05:43,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:05:43 BasicIcfg [2021-11-02 22:05:43,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:05:43,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:05:43,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:05:43,918 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:05:43,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:05:38" (3/4) ... [2021-11-02 22:05:43,920 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-02 22:05:44,057 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 22:05:44,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:05:44,059 INFO L168 Benchmark]: Toolchain (without parser) took 8520.71 ms. Allocated memory was 83.9 MB in the beginning and 218.1 MB in the end (delta: 134.2 MB). Free memory was 45.1 MB in the beginning and 148.0 MB in the end (delta: -103.0 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:44,060 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory is still 64.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:05:44,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1837.00 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 44.9 MB in the beginning and 69.3 MB in the end (delta: -24.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:44,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.00 ms. Allocated memory is still 104.9 MB. Free memory was 69.3 MB in the beginning and 66.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:44,062 INFO L168 Benchmark]: Boogie Preprocessor took 59.20 ms. Allocated memory is still 104.9 MB. Free memory was 66.0 MB in the beginning and 63.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:44,062 INFO L168 Benchmark]: RCFGBuilder took 1091.90 ms. Allocated memory is still 104.9 MB. Free memory was 63.1 MB in the beginning and 74.0 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:44,063 INFO L168 Benchmark]: TraceAbstraction took 5302.04 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 73.6 MB in the beginning and 45.4 MB in the end (delta: 28.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:44,063 INFO L168 Benchmark]: Witness Printer took 139.92 ms. Allocated memory was 161.5 MB in the beginning and 218.1 MB in the end (delta: 56.6 MB). Free memory was 45.4 MB in the beginning and 148.0 MB in the end (delta: -102.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:44,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory is still 64.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1837.00 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 44.9 MB in the beginning and 69.3 MB in the end (delta: -24.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.00 ms. Allocated memory is still 104.9 MB. Free memory was 69.3 MB in the beginning and 66.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.20 ms. Allocated memory is still 104.9 MB. Free memory was 66.0 MB in the beginning and 63.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1091.90 ms. Allocated memory is still 104.9 MB. Free memory was 63.1 MB in the beginning and 74.0 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5302.04 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 73.6 MB in the beginning and 45.4 MB in the end (delta: 28.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 16.1 GB. * Witness Printer took 139.92 ms. Allocated memory was 161.5 MB in the beginning and 218.1 MB in the end (delta: 56.6 MB). Free memory was 45.4 MB in the beginning and 148.0 MB in the end (delta: -102.6 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: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={8:0}, t2={9:0}] [L1739] 0 return 0; VAL [t1={8:0}, t2={9:0}] [L1745] 0 int ret = my_drv_init(); VAL [t1={8:0}, t2={9:0}] [L1746] COND TRUE 0 ret==0 VAL [t1={8:0}, t2={9:0}] [L1747] 0 int probe_ret; VAL [t1={8:0}, t2={9:0}] [L1748] 0 struct my_data data; VAL [t1={8:0}, t2={9:0}] [L1706] 0 struct device *d = &data->dev; VAL [t1={8:0}, t2={9:0}] [L1708] 0 data->shared.a = 0 VAL [t1={8:0}, t2={9:0}] [L1709] 0 data->shared.b = 0 VAL [t1={8:0}, t2={9:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [t1={8:0}, t2={9:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [t1={8:0}, t2={9:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={10:24}, t1={8:0}, t2={9:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={10:24}, arg={10:24}, dev={10:24}, t1={8:0}, t2={9:0}] [L1690] 1 struct my_data *data; VAL [arg={10:24}, arg={10:24}, dev={10:24}, t1={8:0}, t2={9:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, dev={10:24}, t1={8:0}, t2={9:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1715] 0 return 0; VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1749] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1750] COND TRUE 0 probe_ret==0 VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1721] 0 void *status; VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1722] 0 \read(t1) VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1690] 2 struct my_data *data; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1730] 0 data->shared.a [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 163 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 153 SDtfs, 182 SDslu, 279 SDs, 0 SdLazy, 427 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=885occurred in iteration=2, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-02 22:05:44,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34000a6a-3960-42cd-a97a-186d391cd117/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE