./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:01:01,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:01:01,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:01:01,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:01:01,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:01:01,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:01:01,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:01:01,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:01:01,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:01:01,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:01:01,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:01:01,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:01:01,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:01:01,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:01:01,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:01:01,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:01:01,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:01:01,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:01:01,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:01:01,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:01:01,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:01:01,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:01:01,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:01:01,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:01:01,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:01:01,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:01:01,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:01:01,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:01:01,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:01:01,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:01:01,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:01:01,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:01:01,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:01:01,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:01:01,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:01:01,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:01:01,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:01:01,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:01:01,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:01:01,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:01:01,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:01:01,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:01:01,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:01:01,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:01:01,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:01:01,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:01:01,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:01:01,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:01:01,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:01:01,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:01:01,917 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:01:01,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:01:01,919 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:01:01,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:01:01,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:01:01,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:01:01,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:01:01,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:01:01,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:01:01,920 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:01:01,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:01:01,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:01:01,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:01:01,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:01:01,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:01:01,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:01:01,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:01:01,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:01:01,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:01:01,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:01:01,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:01:01,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:01:01,932 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:01:01,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:01:01,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:01:01,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:01:01,933 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_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2021-11-20 06:01:02,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:01:02,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:01:02,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:01:02,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:01:02,206 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:01:02,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-20 06:01:02,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/data/c19e595cf/27b2a901376d4fe3b6b3604a1c6674f0/FLAGe7b406236 [2021-11-20 06:01:02,878 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:01:02,879 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-20 06:01:02,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/data/c19e595cf/27b2a901376d4fe3b6b3604a1c6674f0/FLAGe7b406236 [2021-11-20 06:01:03,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/data/c19e595cf/27b2a901376d4fe3b6b3604a1c6674f0 [2021-11-20 06:01:03,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:01:03,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:01:03,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:01:03,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:01:03,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:01:03,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:03,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528f8bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03, skipping insertion in model container [2021-11-20 06:01:03,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:03,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:01:03,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:01:03,728 WARN L230 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_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-20 06:01:03,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:01:03,761 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:01:03,825 WARN L230 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_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-20 06:01:03,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:01:03,923 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:01:03,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03 WrapperNode [2021-11-20 06:01:03,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:01:03,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:01:03,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:01:03,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:01:03,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:03,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:04,019 INFO L137 Inliner]: procedures = 277, calls = 41, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 157 [2021-11-20 06:01:04,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:01:04,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:01:04,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:01:04,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:01:04,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:04,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:04,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:04,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:04,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:04,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:04,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:04,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:01:04,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:01:04,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:01:04,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:01:04,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (1/1) ... [2021-11-20 06:01:04,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:01:04,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:04,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:01:04,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:01:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-20 06:01:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-20 06:01:04,153 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-20 06:01:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-20 06:01:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:01:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:01:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:01:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:01:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 06:01:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:01:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:01:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:01:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:01:04,157 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:01:04,331 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:01:04,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:01:04,630 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:01:04,645 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:01:04,646 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:01:04,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:04 BoogieIcfgContainer [2021-11-20 06:01:04,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:01:04,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:01:04,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:01:04,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:01:04,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:01:03" (1/3) ... [2021-11-20 06:01:04,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43539317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:01:04, skipping insertion in model container [2021-11-20 06:01:04,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:03" (2/3) ... [2021-11-20 06:01:04,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43539317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:01:04, skipping insertion in model container [2021-11-20 06:01:04,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:04" (3/3) ... [2021-11-20 06:01:04,657 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2021-11-20 06:01:04,663 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:01:04,663 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:01:04,663 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 06:01:04,664 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:01:04,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,722 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,722 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,722 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,722 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,723 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,723 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,723 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,723 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,724 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,724 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,724 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,724 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,726 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,726 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,726 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,726 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,728 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,728 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,728 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,728 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,730 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,730 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,730 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,730 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,732 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,732 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,732 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,732 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,733 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,733 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,733 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,733 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,739 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,739 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,739 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,739 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,744 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,745 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,750 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,751 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,752 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,752 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,752 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,752 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,753 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,754 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,755 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,755 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,755 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,756 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,757 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,758 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,758 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,758 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,758 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,759 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,759 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,759 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,759 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,759 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,760 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,760 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,760 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,760 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,760 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,765 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,765 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,765 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,765 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,767 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,768 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,769 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,770 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,771 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,772 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,773 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,774 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,774 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,774 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,774 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,775 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,775 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,775 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,775 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,776 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,776 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,776 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,776 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,777 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,777 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,777 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,777 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,777 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,778 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,778 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,778 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,778 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,780 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,783 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,783 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,783 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,784 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,784 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,784 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,784 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,785 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,786 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,786 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,786 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,786 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,787 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,787 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,787 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,787 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,787 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,788 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,788 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,790 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:01:04,797 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-20 06:01:04,846 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:01:04,854 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 [2021-11-20 06:01:04,854 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 06:01:04,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 181 transitions, 378 flow [2021-11-20 06:01:04,939 INFO L129 PetriNetUnfolder]: 10/179 cut-off events. [2021-11-20 06:01:04,939 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-20 06:01:04,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 179 events. 10/179 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 433 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 135. Up to 3 conditions per place. [2021-11-20 06:01:04,946 INFO L82 GeneralOperation]: Start removeDead. Operand has 178 places, 181 transitions, 378 flow [2021-11-20 06:01:04,952 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 166 places, 169 transitions, 347 flow [2021-11-20 06:01:04,985 INFO L129 PetriNetUnfolder]: 4/135 cut-off events. [2021-11-20 06:01:04,985 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 06:01:04,985 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:01:04,986 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] [2021-11-20 06:01:04,986 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 06:01:04,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:04,991 INFO L85 PathProgramCache]: Analyzing trace with hash 157162230, now seen corresponding path program 1 times [2021-11-20 06:01:05,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:05,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439589100] [2021-11-20 06:01:05,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:05,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:05,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:01:05,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439589100] [2021-11-20 06:01:05,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439589100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:01:05,367 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:01:05,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:01:05,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164331706] [2021-11-20 06:01:05,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:01:05,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:01:05,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:01:05,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:01:05,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:01:05,408 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 181 [2021-11-20 06:01:05,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 169 transitions, 347 flow. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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) [2021-11-20 06:01:05,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:01:05,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 181 [2021-11-20 06:01:05,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:01:05,695 INFO L129 PetriNetUnfolder]: 91/892 cut-off events. [2021-11-20 06:01:05,695 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-11-20 06:01:05,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 892 events. 91/892 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5326 event pairs, 15 based on Foata normal form. 61/881 useless extension candidates. Maximal degree in co-relation 903. Up to 96 conditions per place. [2021-11-20 06:01:05,707 INFO L132 encePairwiseOnDemand]: 172/181 looper letters, 19 selfloop transitions, 3 changer transitions 0/169 dead transitions. [2021-11-20 06:01:05,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 169 transitions, 397 flow [2021-11-20 06:01:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:01:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:01:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2021-11-20 06:01:05,722 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9429097605893186 [2021-11-20 06:01:05,723 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 512 transitions. [2021-11-20 06:01:05,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions. [2021-11-20 06:01:05,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:01:05,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions. [2021-11-20 06:01:05,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2021-11-20 06:01:05,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-20 06:01:05,741 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-20 06:01:05,743 INFO L186 Difference]: Start difference. First operand has 166 places, 169 transitions, 347 flow. Second operand 3 states and 512 transitions. [2021-11-20 06:01:05,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 169 transitions, 397 flow [2021-11-20 06:01:05,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 169 transitions, 389 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-20 06:01:05,759 INFO L242 Difference]: Finished difference. Result has 162 places, 162 transitions, 343 flow [2021-11-20 06:01:05,761 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=162, PETRI_TRANSITIONS=162} [2021-11-20 06:01:05,768 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, -4 predicate places. [2021-11-20 06:01:05,768 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 162 transitions, 343 flow [2021-11-20 06:01:05,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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) [2021-11-20 06:01:05,769 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:01:05,770 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] [2021-11-20 06:01:05,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:01:05,770 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 06:01:05,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:05,771 INFO L85 PathProgramCache]: Analyzing trace with hash 443184425, now seen corresponding path program 1 times [2021-11-20 06:01:05,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:05,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984362013] [2021-11-20 06:01:05,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:05,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:05,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:01:05,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984362013] [2021-11-20 06:01:05,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984362013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:01:05,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:01:05,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:01:05,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131160429] [2021-11-20 06:01:05,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:01:05,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:01:05,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:01:05,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:01:05,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:01:05,938 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 181 [2021-11-20 06:01:05,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 162 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2021-11-20 06:01:05,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:01:05,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 181 [2021-11-20 06:01:05,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:01:06,012 INFO L129 PetriNetUnfolder]: 21/421 cut-off events. [2021-11-20 06:01:06,013 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-20 06:01:06,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 421 events. 21/421 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1382 event pairs, 4 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 376. Up to 16 conditions per place. [2021-11-20 06:01:06,017 INFO L132 encePairwiseOnDemand]: 178/181 looper letters, 9 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2021-11-20 06:01:06,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 165 transitions, 371 flow [2021-11-20 06:01:06,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:01:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:01:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 510 transitions. [2021-11-20 06:01:06,020 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9392265193370166 [2021-11-20 06:01:06,020 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 510 transitions. [2021-11-20 06:01:06,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 510 transitions. [2021-11-20 06:01:06,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:01:06,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 510 transitions. [2021-11-20 06:01:06,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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) [2021-11-20 06:01:06,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-20 06:01:06,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-20 06:01:06,026 INFO L186 Difference]: Start difference. First operand has 162 places, 162 transitions, 343 flow. Second operand 3 states and 510 transitions. [2021-11-20 06:01:06,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 165 transitions, 371 flow [2021-11-20 06:01:06,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 165 transitions, 369 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:01:06,031 INFO L242 Difference]: Finished difference. Result has 164 places, 162 transitions, 348 flow [2021-11-20 06:01:06,032 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=164, PETRI_TRANSITIONS=162} [2021-11-20 06:01:06,033 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, -2 predicate places. [2021-11-20 06:01:06,033 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 162 transitions, 348 flow [2021-11-20 06:01:06,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2021-11-20 06:01:06,034 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:01:06,034 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] [2021-11-20 06:01:06,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:01:06,034 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 06:01:06,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:06,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2134398008, now seen corresponding path program 1 times [2021-11-20 06:01:06,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:06,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111311299] [2021-11-20 06:01:06,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:06,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:06,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:01:06,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111311299] [2021-11-20 06:01:06,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111311299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:01:06,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:01:06,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:01:06,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467786998] [2021-11-20 06:01:06,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:01:06,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:01:06,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:01:06,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:01:06,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:01:06,156 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 181 [2021-11-20 06:01:06,168 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 162 transitions, 348 flow. Second operand has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2021-11-20 06:01:06,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:01:06,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 181 [2021-11-20 06:01:06,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:01:06,315 INFO L129 PetriNetUnfolder]: 41/518 cut-off events. [2021-11-20 06:01:06,315 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-11-20 06:01:06,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 518 events. 41/518 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2034 event pairs, 13 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 403. Up to 37 conditions per place. [2021-11-20 06:01:06,321 INFO L132 encePairwiseOnDemand]: 176/181 looper letters, 16 selfloop transitions, 4 changer transitions 0/170 dead transitions. [2021-11-20 06:01:06,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 170 transitions, 409 flow [2021-11-20 06:01:06,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:01:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-20 06:01:06,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 665 transitions. [2021-11-20 06:01:06,324 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9185082872928176 [2021-11-20 06:01:06,324 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 665 transitions. [2021-11-20 06:01:06,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 665 transitions. [2021-11-20 06:01:06,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:01:06,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 665 transitions. [2021-11-20 06:01:06,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 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) [2021-11-20 06:01:06,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 181.0) internal successors, (905), 5 states have internal predecessors, (905), 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) [2021-11-20 06:01:06,330 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 181.0) internal successors, (905), 5 states have internal predecessors, (905), 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) [2021-11-20 06:01:06,330 INFO L186 Difference]: Start difference. First operand has 164 places, 162 transitions, 348 flow. Second operand 4 states and 665 transitions. [2021-11-20 06:01:06,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 170 transitions, 409 flow [2021-11-20 06:01:06,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 170 transitions, 407 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:01:06,336 INFO L242 Difference]: Finished difference. Result has 168 places, 165 transitions, 374 flow [2021-11-20 06:01:06,337 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=374, PETRI_PLACES=168, PETRI_TRANSITIONS=165} [2021-11-20 06:01:06,339 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 2 predicate places. [2021-11-20 06:01:06,339 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 165 transitions, 374 flow [2021-11-20 06:01:06,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2021-11-20 06:01:06,342 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:01:06,343 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:01:06,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:01:06,344 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 06:01:06,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:06,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2007153870, now seen corresponding path program 1 times [2021-11-20 06:01:06,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:06,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033374723] [2021-11-20 06:01:06,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:06,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:06,515 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:06,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:01:06,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033374723] [2021-11-20 06:01:06,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033374723] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:01:06,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535631998] [2021-11-20 06:01:06,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:06,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:01:06,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:01:06,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:01:06,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:01:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:06,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:01:06,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:01:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:07,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:01:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:07,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535631998] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:01:07,412 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:01:07,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-20 06:01:07,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973611271] [2021-11-20 06:01:07,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:01:07,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:01:07,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:01:07,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:01:07,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:01:07,419 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 181 [2021-11-20 06:01:07,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 165 transitions, 374 flow. Second operand has 10 states, 10 states have (on average 160.5) internal successors, (1605), 10 states have internal predecessors, (1605), 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) [2021-11-20 06:01:07,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:01:07,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 181 [2021-11-20 06:01:07,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:01:07,854 INFO L129 PetriNetUnfolder]: 176/1670 cut-off events. [2021-11-20 06:01:07,854 INFO L130 PetriNetUnfolder]: For 83/83 co-relation queries the response was YES. [2021-11-20 06:01:07,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2230 conditions, 1670 events. 176/1670 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10714 event pairs, 28 based on Foata normal form. 9/1586 useless extension candidates. Maximal degree in co-relation 1750. Up to 135 conditions per place. [2021-11-20 06:01:07,871 INFO L132 encePairwiseOnDemand]: 175/181 looper letters, 48 selfloop transitions, 14 changer transitions 0/211 dead transitions. [2021-11-20 06:01:07,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 211 transitions, 623 flow [2021-11-20 06:01:07,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:01:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 06:01:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1644 transitions. [2021-11-20 06:01:07,876 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9082872928176795 [2021-11-20 06:01:07,876 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1644 transitions. [2021-11-20 06:01:07,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1644 transitions. [2021-11-20 06:01:07,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:01:07,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1644 transitions. [2021-11-20 06:01:07,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 164.4) internal successors, (1644), 10 states have internal predecessors, (1644), 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) [2021-11-20 06:01:07,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 181.0) internal successors, (1991), 11 states have internal predecessors, (1991), 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) [2021-11-20 06:01:07,889 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 181.0) internal successors, (1991), 11 states have internal predecessors, (1991), 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) [2021-11-20 06:01:07,890 INFO L186 Difference]: Start difference. First operand has 168 places, 165 transitions, 374 flow. Second operand 10 states and 1644 transitions. [2021-11-20 06:01:07,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 211 transitions, 623 flow [2021-11-20 06:01:07,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 211 transitions, 621 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:01:07,897 INFO L242 Difference]: Finished difference. Result has 179 places, 178 transitions, 466 flow [2021-11-20 06:01:07,897 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=466, PETRI_PLACES=179, PETRI_TRANSITIONS=178} [2021-11-20 06:01:07,898 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 13 predicate places. [2021-11-20 06:01:07,898 INFO L470 AbstractCegarLoop]: Abstraction has has 179 places, 178 transitions, 466 flow [2021-11-20 06:01:07,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 160.5) internal successors, (1605), 10 states have internal predecessors, (1605), 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) [2021-11-20 06:01:07,900 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:01:07,900 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:01:07,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:01:08,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:01:08,115 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 06:01:08,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash 407932096, now seen corresponding path program 1 times [2021-11-20 06:01:08,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:08,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397506673] [2021-11-20 06:01:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:08,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:08,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:01:08,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397506673] [2021-11-20 06:01:08,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397506673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:01:08,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:01:08,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:01:08,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769352881] [2021-11-20 06:01:08,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:01:08,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:01:08,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:01:08,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:01:08,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:01:08,221 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 181 [2021-11-20 06:01:08,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 178 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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) [2021-11-20 06:01:08,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:01:08,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 181 [2021-11-20 06:01:08,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:01:08,414 INFO L129 PetriNetUnfolder]: 53/1077 cut-off events. [2021-11-20 06:01:08,415 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2021-11-20 06:01:08,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 1077 events. 53/1077 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4734 event pairs, 10 based on Foata normal form. 11/1043 useless extension candidates. Maximal degree in co-relation 843. Up to 46 conditions per place. [2021-11-20 06:01:08,422 INFO L132 encePairwiseOnDemand]: 177/181 looper letters, 12 selfloop transitions, 4 changer transitions 0/175 dead transitions. [2021-11-20 06:01:08,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 175 transitions, 477 flow [2021-11-20 06:01:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:01:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:01:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2021-11-20 06:01:08,425 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9116022099447514 [2021-11-20 06:01:08,425 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 495 transitions. [2021-11-20 06:01:08,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 495 transitions. [2021-11-20 06:01:08,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:01:08,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 495 transitions. [2021-11-20 06:01:08,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) [2021-11-20 06:01:08,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-20 06:01:08,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-20 06:01:08,429 INFO L186 Difference]: Start difference. First operand has 179 places, 178 transitions, 466 flow. Second operand 3 states and 495 transitions. [2021-11-20 06:01:08,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 175 transitions, 477 flow [2021-11-20 06:01:08,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 175 transitions, 465 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-11-20 06:01:08,439 INFO L242 Difference]: Finished difference. Result has 179 places, 173 transitions, 434 flow [2021-11-20 06:01:08,439 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=179, PETRI_TRANSITIONS=173} [2021-11-20 06:01:08,442 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 13 predicate places. [2021-11-20 06:01:08,442 INFO L470 AbstractCegarLoop]: Abstraction has has 179 places, 173 transitions, 434 flow [2021-11-20 06:01:08,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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) [2021-11-20 06:01:08,442 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:01:08,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:01:08,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:01:08,443 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 06:01:08,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:08,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1222641645, now seen corresponding path program 1 times [2021-11-20 06:01:08,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:08,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587020543] [2021-11-20 06:01:08,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:08,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:08,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:01:08,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587020543] [2021-11-20 06:01:08,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587020543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:01:08,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:01:08,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:01:08,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372122030] [2021-11-20 06:01:08,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:01:08,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:01:08,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:01:08,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:01:08,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:01:08,574 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 181 [2021-11-20 06:01:08,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 173 transitions, 434 flow. Second operand has 7 states, 7 states have (on average 150.28571428571428) internal successors, (1052), 7 states have internal predecessors, (1052), 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) [2021-11-20 06:01:08,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:01:08,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 181 [2021-11-20 06:01:08,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:01:09,020 INFO L129 PetriNetUnfolder]: 119/1232 cut-off events. [2021-11-20 06:01:09,020 INFO L130 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2021-11-20 06:01:09,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1839 conditions, 1232 events. 119/1232 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6095 event pairs, 19 based on Foata normal form. 0/1179 useless extension candidates. Maximal degree in co-relation 1239. Up to 178 conditions per place. [2021-11-20 06:01:09,029 INFO L132 encePairwiseOnDemand]: 170/181 looper letters, 49 selfloop transitions, 13 changer transitions 0/201 dead transitions. [2021-11-20 06:01:09,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 201 transitions, 643 flow [2021-11-20 06:01:09,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:01:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:01:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1389 transitions. [2021-11-20 06:01:09,034 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.852670349907919 [2021-11-20 06:01:09,034 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1389 transitions. [2021-11-20 06:01:09,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1389 transitions. [2021-11-20 06:01:09,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:01:09,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1389 transitions. [2021-11-20 06:01:09,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 154.33333333333334) internal successors, (1389), 9 states have internal predecessors, (1389), 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) [2021-11-20 06:01:09,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 181.0) internal successors, (1810), 10 states have internal predecessors, (1810), 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) [2021-11-20 06:01:09,044 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 181.0) internal successors, (1810), 10 states have internal predecessors, (1810), 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) [2021-11-20 06:01:09,044 INFO L186 Difference]: Start difference. First operand has 179 places, 173 transitions, 434 flow. Second operand 9 states and 1389 transitions. [2021-11-20 06:01:09,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 201 transitions, 643 flow [2021-11-20 06:01:09,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 201 transitions, 639 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:01:09,052 INFO L242 Difference]: Finished difference. Result has 191 places, 180 transitions, 518 flow [2021-11-20 06:01:09,053 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=518, PETRI_PLACES=191, PETRI_TRANSITIONS=180} [2021-11-20 06:01:09,056 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 25 predicate places. [2021-11-20 06:01:09,056 INFO L470 AbstractCegarLoop]: Abstraction has has 191 places, 180 transitions, 518 flow [2021-11-20 06:01:09,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 150.28571428571428) internal successors, (1052), 7 states have internal predecessors, (1052), 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) [2021-11-20 06:01:09,057 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:01:09,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:01:09,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:01:09,061 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 06:01:09,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:09,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1775208827, now seen corresponding path program 1 times [2021-11-20 06:01:09,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:09,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580943051] [2021-11-20 06:01:09,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:09,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:01:10,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:01:10,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:01:10,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580943051] [2021-11-20 06:01:10,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580943051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:01:10,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:01:10,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-20 06:01:10,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597050753] [2021-11-20 06:01:10,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:01:10,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 06:01:10,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:01:10,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 06:01:10,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:01:10,096 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 181 [2021-11-20 06:01:10,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 180 transitions, 518 flow. Second operand has 23 states, 23 states have (on average 114.1304347826087) internal successors, (2625), 23 states have internal predecessors, (2625), 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) [2021-11-20 06:01:10,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:01:10,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 181 [2021-11-20 06:01:10,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:01:13,094 INFO L129 PetriNetUnfolder]: 1151/5823 cut-off events. [2021-11-20 06:01:13,094 INFO L130 PetriNetUnfolder]: For 712/712 co-relation queries the response was YES. [2021-11-20 06:01:13,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9562 conditions, 5823 events. 1151/5823 cut-off events. For 712/712 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 43767 event pairs, 121 based on Foata normal form. 0/5634 useless extension candidates. Maximal degree in co-relation 7684. Up to 1036 conditions per place. [2021-11-20 06:01:13,146 INFO L132 encePairwiseOnDemand]: 159/181 looper letters, 182 selfloop transitions, 25 changer transitions 5/335 dead transitions. [2021-11-20 06:01:13,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 335 transitions, 1277 flow [2021-11-20 06:01:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 06:01:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-20 06:01:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2565 transitions. [2021-11-20 06:01:13,155 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6748224151539068 [2021-11-20 06:01:13,155 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2565 transitions. [2021-11-20 06:01:13,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2565 transitions. [2021-11-20 06:01:13,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:01:13,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2565 transitions. [2021-11-20 06:01:13,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 122.14285714285714) internal successors, (2565), 21 states have internal predecessors, (2565), 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) [2021-11-20 06:01:13,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 181.0) internal successors, (3982), 22 states have internal predecessors, (3982), 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) [2021-11-20 06:01:13,175 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 181.0) internal successors, (3982), 22 states have internal predecessors, (3982), 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) [2021-11-20 06:01:13,175 INFO L186 Difference]: Start difference. First operand has 191 places, 180 transitions, 518 flow. Second operand 21 states and 2565 transitions. [2021-11-20 06:01:13,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 335 transitions, 1277 flow [2021-11-20 06:01:13,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 335 transitions, 1269 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-11-20 06:01:13,188 INFO L242 Difference]: Finished difference. Result has 222 places, 201 transitions, 676 flow [2021-11-20 06:01:13,189 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=676, PETRI_PLACES=222, PETRI_TRANSITIONS=201} [2021-11-20 06:01:13,189 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 56 predicate places. [2021-11-20 06:01:13,189 INFO L470 AbstractCegarLoop]: Abstraction has has 222 places, 201 transitions, 676 flow [2021-11-20 06:01:13,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 114.1304347826087) internal successors, (2625), 23 states have internal predecessors, (2625), 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) [2021-11-20 06:01:13,191 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:01:13,192 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:01:13,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:01:13,192 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-20 06:01:13,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:01:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash -46081621, now seen corresponding path program 1 times [2021-11-20 06:01:13,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:01:13,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863801029] [2021-11-20 06:01:13,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:01:13,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:01:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:13,238 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:01:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:01:13,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:01:13,362 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:01:13,363 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-20 06:01:13,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2021-11-20 06:01:13,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2021-11-20 06:01:13,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-11-20 06:01:13,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-11-20 06:01:13,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-20 06:01:13,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:01:13,369 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:01:13,374 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 06:01:13,375 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:01:13,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:01:13 BasicIcfg [2021-11-20 06:01:13,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:01:13,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:01:13,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:01:13,575 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:01:13,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:04" (3/4) ... [2021-11-20 06:01:13,577 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 06:01:13,693 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:01:13,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:01:13,694 INFO L158 Benchmark]: Toolchain (without parser) took 10516.93ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 80.6MB in the beginning and 67.4MB in the end (delta: 13.2MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2021-11-20 06:01:13,694 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:01:13,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.12ms. Allocated memory is still 113.2MB. Free memory was 80.3MB in the beginning and 69.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 06:01:13,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.21ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 66.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:01:13,696 INFO L158 Benchmark]: Boogie Preprocessor took 64.93ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 64.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:01:13,696 INFO L158 Benchmark]: RCFGBuilder took 561.37ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 49.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 06:01:13,697 INFO L158 Benchmark]: TraceAbstraction took 8923.41ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 48.7MB in the beginning and 104.1MB in the end (delta: -55.5MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2021-11-20 06:01:13,697 INFO L158 Benchmark]: Witness Printer took 118.94ms. Allocated memory is still 197.1MB. Free memory was 103.1MB in the beginning and 67.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-20 06:01:13,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.12ms. Allocated memory is still 113.2MB. Free memory was 80.3MB in the beginning and 69.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.21ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 66.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.93ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 64.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.37ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 49.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8923.41ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 48.7MB in the beginning and 104.1MB in the end (delta: -55.5MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. * Witness Printer took 118.94ms. Allocated memory is still 197.1MB. Free memory was 103.1MB in the beginning and 67.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * 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: 941]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L935] 0 static int top=0; VAL [top=0] [L936] 0 static unsigned int arr[(800)]; VAL [arr={5:0}, top=0] [L937] 0 pthread_mutex_t m; VAL [arr={5:0}, m={6:0}, top=0] [L938] 0 _Bool flag=(0); VAL [arr={5:0}, flag=0, m={6:0}, top=0] [L1020] 0 pthread_t id1, id2; VAL [arr={5:0}, flag=0, id1={9:0}, id2={7:0}, m={6:0}, top=0] [L1022] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={5:0}, flag=0, id1={9:0}, id2={7:0}, m={6:0}, pthread_create(&id1, ((void *)0), t1, ((void *)0))=10, top=0] [L989] 1 int i; VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, m={6:0}, top=0] [L990] 1 unsigned int tmp; VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, m={6:0}, top=0] [L991] 1 i=0 VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, top=0] [L991] COND TRUE 1 i<(800) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, top=0] [L994] 1 tmp = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967296, arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, tmp=0, top=0] [L1023] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={5:0}, flag=0, id1={9:0}, id2={7:0}, m={6:0}, pthread_create(&id2, ((void *)0), t2, ((void *)0))=11, top=0] [L995] CALL 1 assume_abort_if_not(tmp < (800)) [L23] COND FALSE 1 !(!cond) VAL [\old(cond)=1, arr={5:0}, cond=1, flag=0, m={6:0}, top=0] [L995] RET 1 assume_abort_if_not(tmp < (800)) [L996] CALL, EXPR 1 push(arr,tmp) [L961] COND FALSE 1 !(top==(800)) VAL [\old(x)=0, arr={5:0}, flag=0, m={6:0}, stack={5:0}, stack={5:0}, top=0, x=0] [L968] CALL, EXPR 1 get_top() [L953] 1 return top; VAL [\result=0, arr={5:0}, flag=0, m={6:0}, top=0] [L968] RET, EXPR 1 get_top() [L968] 1 stack[get_top()] = x VAL [\old(x)=0, arr={5:0}, flag=0, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, top=0, x=0] [L969] CALL 1 inc_top() [L945] 1 top++ VAL [arr={5:0}, flag=0, m={6:0}, top=1] [L969] RET 1 inc_top() [L971] 1 return 0; VAL [\old(x)=0, \result=0, arr={5:0}, flag=0, m={6:0}, stack={5:0}, stack={5:0}, top=1, x=0] [L996] RET, EXPR 1 push(arr,tmp) [L996] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, push(arr,tmp)=0, tmp=0, top=1] [L998] 1 flag=(1) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, tmp=0, top=1] [L1005] 2 int i; VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, m={6:0}, top=1] [L1006] 2 i=0 VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, top=1] [L1006] COND TRUE 2 i<(800) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, top=1] [L1009] COND TRUE 2 \read(flag) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, top=1] [L1011] CALL, EXPR 2 pop(arr) [L975] CALL, EXPR 2 get_top() [L953] 2 return top; VAL [\result=1, \result=0, arr={5:0}, flag=1, m={6:0}, top=1] [L975] RET, EXPR 2 get_top() [L975] COND FALSE 2 !(get_top()==0) VAL [arr={5:0}, flag=1, get_top()=1, m={6:0}, stack={5:0}, stack={5:0}, top=1] [L982] CALL 2 dec_top() [L949] 2 top-- VAL [arr={5:0}, flag=1, m={6:0}, top=0] [L982] RET 2 dec_top() [L983] CALL, EXPR 2 get_top() [L953] 2 return top; VAL [\result=0, \result=0, arr={5:0}, flag=1, m={6:0}, top=0] [L983] RET, EXPR 2 get_top() [L983] EXPR 2 stack[get_top()] VAL [arr={5:0}, flag=1, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, stack[get_top()]=0, top=0] [L983] 2 return stack[get_top()]; VAL [\result=0, arr={5:0}, flag=1, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, stack[get_top()]=0, top=0] [L1011] RET, EXPR 2 pop(arr) [L1011] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, pop(arr)=0, top=0] [L1006] 2 i++ VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, top=0] [L1006] COND TRUE 2 i<(800) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, top=0] [L1009] COND TRUE 2 \read(flag) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, top=0] [L1011] CALL, EXPR 2 pop(arr) [L975] CALL, EXPR 2 get_top() [L953] 2 return top; VAL [\result=0, \result=0, arr={5:0}, flag=1, m={6:0}, top=0] [L975] RET, EXPR 2 get_top() [L975] COND TRUE 2 get_top()==0 VAL [arr={5:0}, flag=1, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, top=0] [L978] 2 return (-2); VAL [\result=-2, arr={5:0}, flag=1, m={6:0}, stack={5:0}, stack={5:0}, top=0] [L1011] RET, EXPR 2 pop(arr) [L1011] COND TRUE 2 !(pop(arr)!=(-2)) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, pop(arr)=-2, top=0] [L1012] CALL 2 error() [L941] 2 reach_error() VAL [arr={5:0}, flag=1, m={6:0}, top=0] - UnprovableResult [Line: 1022]: 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: 1023]: 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: 941]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 290 locations, 6 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: 8.5s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 509 mSDsluCounter, 966 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1021 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1231 IncrementalHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 102 mSDtfsCounter, 1231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=676occurred in iteration=7, InterpolantAutomatonStates: 53, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 926 NumberOfCodeBlocks, 926 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 870 ConstructedInterpolants, 0 QuantifiedInterpolants, 5123 SizeOfPredicates, 2 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 12/66 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! [2021-11-20 06:01:13,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c94d8b7-cbdc-4b40-95eb-84876dc1932f/bin/uautomizer-DQz5hQGWxF/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