./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix029_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix029_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4b590d065e5d36f155a9cf54e02dd5555c997aa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:01:04,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:01:04,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:01:04,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:01:04,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:01:04,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:01:04,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:01:04,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:01:04,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:01:04,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:01:04,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:01:04,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:01:04,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:01:04,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:01:04,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:01:04,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:01:04,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:01:04,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:01:04,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:01:04,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:01:04,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:01:04,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:01:04,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:01:04,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:01:04,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:01:04,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:01:04,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:01:04,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:01:04,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:01:04,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:01:04,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:01:04,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:01:04,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:01:04,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:01:04,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:01:04,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:01:04,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:01:04,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:01:04,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:01:04,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:01:04,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:01:04,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:01:04,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:01:04,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:01:04,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:01:04,893 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:01:04,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:01:04,893 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:01:04,894 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:01:04,894 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:01:04,894 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:01:04,894 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:01:04,895 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:01:04,895 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:01:04,895 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:01:04,895 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:01:04,896 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:01:04,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:01:04,897 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:01:04,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:01:04,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:01:04,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:01:04,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:01:04,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:01:04,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:01:04,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:01:04,914 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:01:04,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:01:04,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:01:04,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:01:04,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:01:04,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:01:04,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:01:04,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:01:04,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:01:04,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:01:04,919 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:01:04,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:01:04,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:01:04,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:01:04,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:01:04,922 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4b590d065e5d36f155a9cf54e02dd5555c997aa [2021-10-13 07:01:05,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:01:05,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:01:05,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:01:05,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:01:05,336 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:01:05,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-wmm/mix029_power.oepc.i [2021-10-13 07:01:05,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/data/f124a2731/e0974542fe5a499ea4f2f9a6c952d9c0/FLAG542a31089 [2021-10-13 07:01:06,048 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:01:06,049 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/sv-benchmarks/c/pthread-wmm/mix029_power.oepc.i [2021-10-13 07:01:06,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/data/f124a2731/e0974542fe5a499ea4f2f9a6c952d9c0/FLAG542a31089 [2021-10-13 07:01:06,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/data/f124a2731/e0974542fe5a499ea4f2f9a6c952d9c0 [2021-10-13 07:01:06,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:01:06,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:01:06,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:01:06,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:01:06,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:01:06,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:06" (1/1) ... [2021-10-13 07:01:06,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0735d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:06, skipping insertion in model container [2021-10-13 07:01:06,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:06" (1/1) ... [2021-10-13 07:01:06,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:01:06,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:01:06,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/sv-benchmarks/c/pthread-wmm/mix029_power.oepc.i[951,964] [2021-10-13 07:01:07,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:01:07,037 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:01:07,052 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/sv-benchmarks/c/pthread-wmm/mix029_power.oepc.i[951,964] [2021-10-13 07:01:07,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:01:07,186 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:01:07,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07 WrapperNode [2021-10-13 07:01:07,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:01:07,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:01:07,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:01:07,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:01:07,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:01:07,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:01:07,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:01:07,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:01:07,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:01:07,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:01:07,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:01:07,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:01:07,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (1/1) ... [2021-10-13 07:01:07,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:01:07,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:01:07,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:01:07,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:01:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:01:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 07:01:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:01:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:01:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-13 07:01:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-13 07:01:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-13 07:01:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-13 07:01:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-13 07:01:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-13 07:01:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-13 07:01:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-13 07:01:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:01:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 07:01:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:01:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:01:07,531 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 07:01:09,978 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:01:09,978 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 07:01:09,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:01:09 BoogieIcfgContainer [2021-10-13 07:01:09,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:01:09,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:01:09,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:01:09,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:01:09,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:01:06" (1/3) ... [2021-10-13 07:01:09,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421c4cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:01:09, skipping insertion in model container [2021-10-13 07:01:09,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:07" (2/3) ... [2021-10-13 07:01:09,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421c4cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:01:09, skipping insertion in model container [2021-10-13 07:01:09,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:01:09" (3/3) ... [2021-10-13 07:01:10,000 INFO L111 eAbstractionObserver]: Analyzing ICFG mix029_power.oepc.i [2021-10-13 07:01:10,007 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 07:01:10,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:01:10,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 07:01:10,008 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 07:01:10,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,065 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,066 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,066 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,066 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,066 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,067 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,068 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,068 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,070 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,079 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,088 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,088 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,108 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,108 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,109 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,109 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,122 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,122 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,132 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,133 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,138 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,160 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,161 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,166 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,167 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,167 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,167 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,168 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,168 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,169 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,173 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,173 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,174 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,177 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,179 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,184 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,194 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,194 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,194 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,194 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,194 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,197 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,198 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:01:10,201 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-13 07:01:10,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:01:10,278 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 07:01:10,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-13 07:01:10,324 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 07:01:10,347 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 129 transitions, 278 flow [2021-10-13 07:01:10,351 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 129 transitions, 278 flow [2021-10-13 07:01:10,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 129 transitions, 278 flow [2021-10-13 07:01:10,470 INFO L129 PetriNetUnfolder]: 2/125 cut-off events. [2021-10-13 07:01:10,470 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 07:01:10,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 125 events. 2/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2021-10-13 07:01:10,485 INFO L116 LiptonReduction]: Number of co-enabled transitions 3104 [2021-10-13 07:01:17,767 INFO L131 LiptonReduction]: Checked pairs total: 8541 [2021-10-13 07:01:17,767 INFO L133 LiptonReduction]: Total number of compositions: 103 [2021-10-13 07:01:17,778 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 34 transitions, 88 flow [2021-10-13 07:01:18,040 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4274 states, 4271 states have (on average 3.9456801685787872) internal successors, (16852), 4273 states have internal predecessors, (16852), 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) [2021-10-13 07:01:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 4274 states, 4271 states have (on average 3.9456801685787872) internal successors, (16852), 4273 states have internal predecessors, (16852), 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) [2021-10-13 07:01:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 07:01:18,069 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:18,070 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 07:01:18,070 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:18,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:18,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1244828, now seen corresponding path program 1 times [2021-10-13 07:01:18,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:18,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426147809] [2021-10-13 07:01:18,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:18,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:18,395 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:18,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426147809] [2021-10-13 07:01:18,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426147809] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:18,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:18,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 07:01:18,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158077433] [2021-10-13 07:01:18,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:01:18,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:18,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:01:18,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:01:18,466 INFO L87 Difference]: Start difference. First operand has 4274 states, 4271 states have (on average 3.9456801685787872) internal successors, (16852), 4273 states have internal predecessors, (16852), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 07:01:18,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:18,646 INFO L93 Difference]: Finished difference Result 3462 states and 13465 transitions. [2021-10-13 07:01:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:01:18,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2021-10-13 07:01:18,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:18,737 INFO L225 Difference]: With dead ends: 3462 [2021-10-13 07:01:18,738 INFO L226 Difference]: Without dead ends: 3312 [2021-10-13 07:01:18,739 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:01:18,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2021-10-13 07:01:19,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2021-10-13 07:01:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3311 states have (on average 3.9112050739957716) internal successors, (12950), 3311 states have internal predecessors, (12950), 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) [2021-10-13 07:01:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions. [2021-10-13 07:01:19,149 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3 [2021-10-13 07:01:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:19,150 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions. [2021-10-13 07:01:19,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 07:01:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions. [2021-10-13 07:01:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:01:19,154 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:19,154 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:19,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:01:19,155 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:19,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:19,156 INFO L82 PathProgramCache]: Analyzing trace with hash -2057010961, now seen corresponding path program 1 times [2021-10-13 07:01:19,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:19,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731787398] [2021-10-13 07:01:19,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:19,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:19,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:19,352 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:19,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731787398] [2021-10-13 07:01:19,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731787398] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:19,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:19,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 07:01:19,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562493913] [2021-10-13 07:01:19,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:01:19,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:19,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:01:19,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:01:19,358 INFO L87 Difference]: Start difference. First operand 3312 states and 12950 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-13 07:01:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:19,513 INFO L93 Difference]: Finished difference Result 5834 states and 22000 transitions. [2021-10-13 07:01:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:01:19,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2021-10-13 07:01:19,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:19,723 INFO L225 Difference]: With dead ends: 5834 [2021-10-13 07:01:19,723 INFO L226 Difference]: Without dead ends: 5348 [2021-10-13 07:01:19,724 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:01:19,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5348 states. [2021-10-13 07:01:20,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5348 to 4754. [2021-10-13 07:01:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4754 states, 4753 states have (on average 3.8276877761413846) internal successors, (18193), 4753 states have internal predecessors, (18193), 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) [2021-10-13 07:01:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 18193 transitions. [2021-10-13 07:01:20,109 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 18193 transitions. Word has length 11 [2021-10-13 07:01:20,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:20,110 INFO L470 AbstractCegarLoop]: Abstraction has 4754 states and 18193 transitions. [2021-10-13 07:01:20,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-13 07:01:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 18193 transitions. [2021-10-13 07:01:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:01:20,122 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:20,122 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:20,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:01:20,123 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:20,124 INFO L82 PathProgramCache]: Analyzing trace with hash 655243593, now seen corresponding path program 1 times [2021-10-13 07:01:20,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:20,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769981710] [2021-10-13 07:01:20,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:20,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:20,342 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:20,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769981710] [2021-10-13 07:01:20,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769981710] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:20,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:20,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:01:20,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219496204] [2021-10-13 07:01:20,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:01:20,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:20,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:01:20,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:20,345 INFO L87 Difference]: Start difference. First operand 4754 states and 18193 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-13 07:01:20,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:20,523 INFO L93 Difference]: Finished difference Result 5208 states and 19523 transitions. [2021-10-13 07:01:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:01:20,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2021-10-13 07:01:20,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:20,600 INFO L225 Difference]: With dead ends: 5208 [2021-10-13 07:01:20,600 INFO L226 Difference]: Without dead ends: 5208 [2021-10-13 07:01:20,601 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:20,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5208 states. [2021-10-13 07:01:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5208 to 4698. [2021-10-13 07:01:21,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4698 states, 4697 states have (on average 3.8183947200340644) internal successors, (17935), 4697 states have internal predecessors, (17935), 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) [2021-10-13 07:01:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4698 states to 4698 states and 17935 transitions. [2021-10-13 07:01:21,058 INFO L78 Accepts]: Start accepts. Automaton has 4698 states and 17935 transitions. Word has length 12 [2021-10-13 07:01:21,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:21,058 INFO L470 AbstractCegarLoop]: Abstraction has 4698 states and 17935 transitions. [2021-10-13 07:01:21,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-13 07:01:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4698 states and 17935 transitions. [2021-10-13 07:01:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:01:21,062 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:21,062 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:21,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 07:01:21,062 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:21,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:21,063 INFO L82 PathProgramCache]: Analyzing trace with hash 657105050, now seen corresponding path program 1 times [2021-10-13 07:01:21,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:21,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697490104] [2021-10-13 07:01:21,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:21,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:21,205 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:21,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697490104] [2021-10-13 07:01:21,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697490104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:21,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:21,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 07:01:21,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724283286] [2021-10-13 07:01:21,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:01:21,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:21,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:01:21,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:01:21,209 INFO L87 Difference]: Start difference. First operand 4698 states and 17935 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-13 07:01:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:21,272 INFO L93 Difference]: Finished difference Result 4474 states and 16989 transitions. [2021-10-13 07:01:21,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:01:21,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) Word has length 12 [2021-10-13 07:01:21,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:21,435 INFO L225 Difference]: With dead ends: 4474 [2021-10-13 07:01:21,435 INFO L226 Difference]: Without dead ends: 4474 [2021-10-13 07:01:21,435 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:01:21,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2021-10-13 07:01:21,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 3796. [2021-10-13 07:01:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 3795 states have (on average 3.804216073781291) internal successors, (14437), 3795 states have internal predecessors, (14437), 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) [2021-10-13 07:01:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 14437 transitions. [2021-10-13 07:01:21,634 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 14437 transitions. Word has length 12 [2021-10-13 07:01:21,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:21,635 INFO L470 AbstractCegarLoop]: Abstraction has 3796 states and 14437 transitions. [2021-10-13 07:01:21,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-13 07:01:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 14437 transitions. [2021-10-13 07:01:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 07:01:21,640 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:21,640 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:21,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 07:01:21,640 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:21,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:21,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1761348167, now seen corresponding path program 1 times [2021-10-13 07:01:21,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:21,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049190109] [2021-10-13 07:01:21,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:21,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:21,802 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:21,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049190109] [2021-10-13 07:01:21,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049190109] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:21,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:21,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 07:01:21,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882688259] [2021-10-13 07:01:21,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:01:21,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:21,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:01:21,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:21,806 INFO L87 Difference]: Start difference. First operand 3796 states and 14437 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-10-13 07:01:21,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:21,966 INFO L93 Difference]: Finished difference Result 3788 states and 13013 transitions. [2021-10-13 07:01:21,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:01:21,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2021-10-13 07:01:21,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:21,983 INFO L225 Difference]: With dead ends: 3788 [2021-10-13 07:01:21,984 INFO L226 Difference]: Without dead ends: 2780 [2021-10-13 07:01:21,984 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:01:21,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2021-10-13 07:01:22,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2780. [2021-10-13 07:01:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2780 states, 2779 states have (on average 3.3871896365599135) internal successors, (9413), 2779 states have internal predecessors, (9413), 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) [2021-10-13 07:01:22,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 9413 transitions. [2021-10-13 07:01:22,106 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 9413 transitions. Word has length 14 [2021-10-13 07:01:22,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:22,107 INFO L470 AbstractCegarLoop]: Abstraction has 2780 states and 9413 transitions. [2021-10-13 07:01:22,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-10-13 07:01:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 9413 transitions. [2021-10-13 07:01:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:01:22,112 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:22,113 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:22,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 07:01:22,113 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:22,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:22,114 INFO L82 PathProgramCache]: Analyzing trace with hash 583615597, now seen corresponding path program 1 times [2021-10-13 07:01:22,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:22,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163826361] [2021-10-13 07:01:22,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:22,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:22,208 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:22,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163826361] [2021-10-13 07:01:22,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163826361] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:22,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:22,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 07:01:22,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513706119] [2021-10-13 07:01:22,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:01:22,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:22,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:01:22,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:22,211 INFO L87 Difference]: Start difference. First operand 2780 states and 9413 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-13 07:01:22,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:22,373 INFO L93 Difference]: Finished difference Result 4579 states and 15095 transitions. [2021-10-13 07:01:22,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:01:22,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) Word has length 17 [2021-10-13 07:01:22,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:22,395 INFO L225 Difference]: With dead ends: 4579 [2021-10-13 07:01:22,395 INFO L226 Difference]: Without dead ends: 3319 [2021-10-13 07:01:22,396 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:22,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3319 states. [2021-10-13 07:01:22,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3319 to 2545. [2021-10-13 07:01:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2544 states have (on average 3.268867924528302) internal successors, (8316), 2544 states have internal predecessors, (8316), 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) [2021-10-13 07:01:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 8316 transitions. [2021-10-13 07:01:22,542 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 8316 transitions. Word has length 17 [2021-10-13 07:01:22,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:22,543 INFO L470 AbstractCegarLoop]: Abstraction has 2545 states and 8316 transitions. [2021-10-13 07:01:22,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-13 07:01:22,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 8316 transitions. [2021-10-13 07:01:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:01:22,550 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:22,550 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:22,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 07:01:22,551 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:22,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:22,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1415265006, now seen corresponding path program 1 times [2021-10-13 07:01:22,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:22,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547945871] [2021-10-13 07:01:22,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:22,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:22,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:22,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547945871] [2021-10-13 07:01:22,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547945871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:22,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:22,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 07:01:22,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175674615] [2021-10-13 07:01:22,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:01:22,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:22,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:01:22,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:01:22,698 INFO L87 Difference]: Start difference. First operand 2545 states and 8316 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-13 07:01:22,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:22,777 INFO L93 Difference]: Finished difference Result 2156 states and 6484 transitions. [2021-10-13 07:01:22,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:01:22,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) Word has length 17 [2021-10-13 07:01:22,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:22,787 INFO L225 Difference]: With dead ends: 2156 [2021-10-13 07:01:22,788 INFO L226 Difference]: Without dead ends: 1625 [2021-10-13 07:01:22,788 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:01:22,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2021-10-13 07:01:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1613. [2021-10-13 07:01:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1613 states, 1612 states have (on average 2.9528535980148884) internal successors, (4760), 1612 states have internal predecessors, (4760), 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) [2021-10-13 07:01:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1613 states and 4760 transitions. [2021-10-13 07:01:22,867 INFO L78 Accepts]: Start accepts. Automaton has 1613 states and 4760 transitions. Word has length 17 [2021-10-13 07:01:22,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:22,868 INFO L470 AbstractCegarLoop]: Abstraction has 1613 states and 4760 transitions. [2021-10-13 07:01:22,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-13 07:01:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 4760 transitions. [2021-10-13 07:01:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 07:01:22,874 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:22,875 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:22,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 07:01:22,875 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:22,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:22,876 INFO L82 PathProgramCache]: Analyzing trace with hash -17040093, now seen corresponding path program 1 times [2021-10-13 07:01:22,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:22,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920692127] [2021-10-13 07:01:22,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:22,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:22,960 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:22,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920692127] [2021-10-13 07:01:22,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920692127] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:22,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:22,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:01:22,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014817980] [2021-10-13 07:01:22,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:01:22,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:22,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:01:22,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:01:22,963 INFO L87 Difference]: Start difference. First operand 1613 states and 4760 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-13 07:01:22,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:22,991 INFO L93 Difference]: Finished difference Result 2198 states and 6360 transitions. [2021-10-13 07:01:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:01:22,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) Word has length 20 [2021-10-13 07:01:22,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:22,999 INFO L225 Difference]: With dead ends: 2198 [2021-10-13 07:01:22,999 INFO L226 Difference]: Without dead ends: 1438 [2021-10-13 07:01:23,000 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:01:23,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2021-10-13 07:01:23,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1402. [2021-10-13 07:01:23,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 1401 states have (on average 2.8936473947180583) internal successors, (4054), 1401 states have internal predecessors, (4054), 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) [2021-10-13 07:01:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 4054 transitions. [2021-10-13 07:01:23,061 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 4054 transitions. Word has length 20 [2021-10-13 07:01:23,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:23,062 INFO L470 AbstractCegarLoop]: Abstraction has 1402 states and 4054 transitions. [2021-10-13 07:01:23,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-13 07:01:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 4054 transitions. [2021-10-13 07:01:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 07:01:23,086 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:23,086 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:23,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 07:01:23,087 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:23,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:23,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1396218949, now seen corresponding path program 2 times [2021-10-13 07:01:23,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:23,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712660480] [2021-10-13 07:01:23,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:23,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:23,283 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:23,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712660480] [2021-10-13 07:01:23,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712660480] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:23,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:23,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 07:01:23,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876619949] [2021-10-13 07:01:23,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:01:23,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:23,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:01:23,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:01:23,286 INFO L87 Difference]: Start difference. First operand 1402 states and 4054 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-13 07:01:23,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:23,365 INFO L93 Difference]: Finished difference Result 1239 states and 3550 transitions. [2021-10-13 07:01:23,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:01:23,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) Word has length 20 [2021-10-13 07:01:23,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:23,371 INFO L225 Difference]: With dead ends: 1239 [2021-10-13 07:01:23,371 INFO L226 Difference]: Without dead ends: 1063 [2021-10-13 07:01:23,372 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 35.0ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:01:23,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2021-10-13 07:01:23,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1063. [2021-10-13 07:01:23,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1062 states have (on average 2.890772128060264) internal successors, (3070), 1062 states have internal predecessors, (3070), 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) [2021-10-13 07:01:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 3070 transitions. [2021-10-13 07:01:23,411 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 3070 transitions. Word has length 20 [2021-10-13 07:01:23,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:23,411 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 3070 transitions. [2021-10-13 07:01:23,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-13 07:01:23,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 3070 transitions. [2021-10-13 07:01:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:01:23,416 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:23,416 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:23,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 07:01:23,417 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:23,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:23,417 INFO L82 PathProgramCache]: Analyzing trace with hash 687934459, now seen corresponding path program 1 times [2021-10-13 07:01:23,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:23,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724249829] [2021-10-13 07:01:23,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:23,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:23,656 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:23,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724249829] [2021-10-13 07:01:23,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724249829] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:23,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:23,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 07:01:23,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698132059] [2021-10-13 07:01:23,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:01:23,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:01:23,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:01:23,659 INFO L87 Difference]: Start difference. First operand 1063 states and 3070 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-13 07:01:23,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:23,943 INFO L93 Difference]: Finished difference Result 1763 states and 4911 transitions. [2021-10-13 07:01:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:01:23,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) Word has length 24 [2021-10-13 07:01:23,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:23,950 INFO L225 Difference]: With dead ends: 1763 [2021-10-13 07:01:23,950 INFO L226 Difference]: Without dead ends: 1492 [2021-10-13 07:01:23,951 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 91.9ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:01:23,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2021-10-13 07:01:23,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1194. [2021-10-13 07:01:23,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1193 states have (on average 2.8382229673093042) internal successors, (3386), 1193 states have internal predecessors, (3386), 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) [2021-10-13 07:01:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 3386 transitions. [2021-10-13 07:01:24,000 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 3386 transitions. Word has length 24 [2021-10-13 07:01:24,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:24,001 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 3386 transitions. [2021-10-13 07:01:24,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-13 07:01:24,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 3386 transitions. [2021-10-13 07:01:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:01:24,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:24,007 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:24,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 07:01:24,007 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:24,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:24,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1860343737, now seen corresponding path program 2 times [2021-10-13 07:01:24,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:24,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209552679] [2021-10-13 07:01:24,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:24,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:24,164 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:24,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209552679] [2021-10-13 07:01:24,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209552679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:24,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:24,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 07:01:24,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830219469] [2021-10-13 07:01:24,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:01:24,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:24,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:01:24,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:01:24,167 INFO L87 Difference]: Start difference. First operand 1194 states and 3386 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-13 07:01:24,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:24,250 INFO L93 Difference]: Finished difference Result 1164 states and 3323 transitions. [2021-10-13 07:01:24,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:01:24,251 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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) Word has length 24 [2021-10-13 07:01:24,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:24,255 INFO L225 Difference]: With dead ends: 1164 [2021-10-13 07:01:24,255 INFO L226 Difference]: Without dead ends: 637 [2021-10-13 07:01:24,256 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 31.0ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:01:24,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2021-10-13 07:01:24,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2021-10-13 07:01:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 636 states have (on average 2.8710691823899372) internal successors, (1826), 636 states have internal predecessors, (1826), 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) [2021-10-13 07:01:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1826 transitions. [2021-10-13 07:01:24,283 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1826 transitions. Word has length 24 [2021-10-13 07:01:24,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:24,283 INFO L470 AbstractCegarLoop]: Abstraction has 637 states and 1826 transitions. [2021-10-13 07:01:24,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-13 07:01:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1826 transitions. [2021-10-13 07:01:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 07:01:24,287 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:24,287 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:24,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 07:01:24,288 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:24,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:24,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1238173064, now seen corresponding path program 1 times [2021-10-13 07:01:24,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:24,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146201985] [2021-10-13 07:01:24,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:24,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:24,726 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:24,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146201985] [2021-10-13 07:01:24,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146201985] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:24,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:24,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 07:01:24,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933267704] [2021-10-13 07:01:24,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:01:24,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:24,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:01:24,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:01:24,728 INFO L87 Difference]: Start difference. First operand 637 states and 1826 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2021-10-13 07:01:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:24,964 INFO L93 Difference]: Finished difference Result 946 states and 2637 transitions. [2021-10-13 07:01:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:01:24,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) Word has length 28 [2021-10-13 07:01:24,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:24,968 INFO L225 Difference]: With dead ends: 946 [2021-10-13 07:01:24,968 INFO L226 Difference]: Without dead ends: 746 [2021-10-13 07:01:24,968 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 89.2ms TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:01:24,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2021-10-13 07:01:24,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 607. [2021-10-13 07:01:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 606 states have (on average 2.8514851485148514) internal successors, (1728), 606 states have internal predecessors, (1728), 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) [2021-10-13 07:01:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1728 transitions. [2021-10-13 07:01:25,000 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1728 transitions. Word has length 28 [2021-10-13 07:01:25,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:25,000 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 1728 transitions. [2021-10-13 07:01:25,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2021-10-13 07:01:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1728 transitions. [2021-10-13 07:01:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 07:01:25,005 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:25,005 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:25,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 07:01:25,006 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:25,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:25,007 INFO L82 PathProgramCache]: Analyzing trace with hash -2037989714, now seen corresponding path program 2 times [2021-10-13 07:01:25,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:25,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707300713] [2021-10-13 07:01:25,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:25,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:25,331 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:01:25,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707300713] [2021-10-13 07:01:25,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707300713] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:25,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:25,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 07:01:25,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449442040] [2021-10-13 07:01:25,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:01:25,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:01:25,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:01:25,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:01:25,333 INFO L87 Difference]: Start difference. First operand 607 states and 1728 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2021-10-13 07:01:25,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:25,572 INFO L93 Difference]: Finished difference Result 722 states and 2000 transitions. [2021-10-13 07:01:25,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:01:25,573 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) Word has length 28 [2021-10-13 07:01:25,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:25,575 INFO L225 Difference]: With dead ends: 722 [2021-10-13 07:01:25,576 INFO L226 Difference]: Without dead ends: 592 [2021-10-13 07:01:25,576 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 137.2ms TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:01:25,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-10-13 07:01:25,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 463. [2021-10-13 07:01:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 462 states have (on average 2.8181818181818183) internal successors, (1302), 462 states have internal predecessors, (1302), 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) [2021-10-13 07:01:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 1302 transitions. [2021-10-13 07:01:25,593 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 1302 transitions. Word has length 28 [2021-10-13 07:01:25,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:25,594 INFO L470 AbstractCegarLoop]: Abstraction has 463 states and 1302 transitions. [2021-10-13 07:01:25,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2021-10-13 07:01:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1302 transitions. [2021-10-13 07:01:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 07:01:25,597 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:25,598 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:25,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 07:01:25,598 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 07:01:25,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:25,599 INFO L82 PathProgramCache]: Analyzing trace with hash 116431850, now seen corresponding path program 3 times [2021-10-13 07:01:25,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:01:25,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570091819] [2021-10-13 07:01:25,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:25,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:01:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:01:25,749 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:01:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:01:25,935 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:01:25,936 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:01:25,937 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:01:25,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:01:25,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 07:01:25,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 07:01:25,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 07:01:25,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-13 07:01:25,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:01:25,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 07:01:25,949 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 07:01:25,949 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:01:26,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:01:26 BasicIcfg [2021-10-13 07:01:26,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:01:26,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:01:26,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:01:26,172 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:01:26,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:01:09" (3/4) ... [2021-10-13 07:01:26,174 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 07:01:26,301 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:01:26,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:01:26,303 INFO L168 Benchmark]: Toolchain (without parser) took 19988.65 ms. Allocated memory was 100.7 MB in the beginning and 530.6 MB in the end (delta: 429.9 MB). Free memory was 79.5 MB in the beginning and 225.3 MB in the end (delta: -145.8 MB). Peak memory consumption was 282.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:26,303 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 62.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:01:26,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.89 ms. Allocated memory is still 100.7 MB. Free memory was 79.2 MB in the beginning and 62.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:26,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.36 ms. Allocated memory is still 100.7 MB. Free memory was 62.1 MB in the beginning and 59.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:26,304 INFO L168 Benchmark]: Boogie Preprocessor took 88.33 ms. Allocated memory is still 100.7 MB. Free memory was 59.5 MB in the beginning and 57.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:26,305 INFO L168 Benchmark]: RCFGBuilder took 2575.14 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 57.2 MB in the beginning and 71.7 MB in the end (delta: -14.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:26,305 INFO L168 Benchmark]: TraceAbstraction took 16183.98 ms. Allocated memory was 123.7 MB in the beginning and 530.6 MB in the end (delta: 406.8 MB). Free memory was 71.0 MB in the beginning and 250.4 MB in the end (delta: -179.5 MB). Peak memory consumption was 226.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:26,306 INFO L168 Benchmark]: Witness Printer took 129.68 ms. Allocated memory is still 530.6 MB. Free memory was 250.4 MB in the beginning and 225.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:26,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 62.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 872.89 ms. Allocated memory is still 100.7 MB. Free memory was 79.2 MB in the beginning and 62.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 130.36 ms. Allocated memory is still 100.7 MB. Free memory was 62.1 MB in the beginning and 59.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.33 ms. Allocated memory is still 100.7 MB. Free memory was 59.5 MB in the beginning and 57.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2575.14 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 57.2 MB in the beginning and 71.7 MB in the end (delta: -14.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16183.98 ms. Allocated memory was 123.7 MB in the beginning and 530.6 MB in the end (delta: 406.8 MB). Free memory was 71.0 MB in the beginning and 250.4 MB in the end (delta: -179.5 MB). Peak memory consumption was 226.8 MB. Max. memory is 16.1 GB. * Witness Printer took 129.68 ms. Allocated memory is still 530.6 MB. Free memory was 250.4 MB in the beginning and 225.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7416.1ms, 140 PlacesBefore, 47 PlacesAfterwards, 129 TransitionsBefore, 34 TransitionsAfterwards, 3104 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 103 TotalNumberOfCompositions, 8541 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4285, positive: 4046, positive conditional: 0, positive unconditional: 4046, negative: 239, negative conditional: 0, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2180, positive: 2092, positive conditional: 0, positive unconditional: 2092, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2180, positive: 2066, positive conditional: 0, positive unconditional: 2066, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 114, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 735, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 679, negative conditional: 0, negative unconditional: 679, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4285, positive: 1954, positive conditional: 0, positive unconditional: 1954, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 2180, unknown conditional: 0, unknown unconditional: 2180] , Statistics on independence cache: Total cache size (in pairs): 262, Positive cache size: 229, Positive conditional cache size: 0, Positive unconditional cache size: 229, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff0_thd3; [L725] 0 _Bool a$r_buff0_thd4; [L726] 0 _Bool a$r_buff1_thd0; [L727] 0 _Bool a$r_buff1_thd1; [L728] 0 _Bool a$r_buff1_thd2; [L729] 0 _Bool a$r_buff1_thd3; [L730] 0 _Bool a$r_buff1_thd4; [L731] 0 _Bool a$read_delayed; [L732] 0 int *a$read_delayed_var; [L733] 0 int a$w_buff0; [L734] 0 _Bool a$w_buff0_used; [L735] 0 int a$w_buff1; [L736] 0 _Bool a$w_buff1_used; [L737] 0 _Bool main$tmp_guard0; [L738] 0 _Bool main$tmp_guard1; [L740] 0 int x = 0; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L864] 0 pthread_t t769; [L865] FCALL, FORK 0 pthread_create(&t769, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 a$w_buff1 = a$w_buff0 [L751] 1 a$w_buff0 = 1 [L752] 1 a$w_buff1_used = a$w_buff0_used [L753] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L755] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L756] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L757] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L758] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L759] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L760] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L763] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L866] 0 pthread_t t770; [L867] FCALL, FORK 0 pthread_create(&t770, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L868] 0 pthread_t t771; [L780] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L783] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L786] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L786] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L787] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L787] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L788] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L789] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L790] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L869] FCALL, FORK 0 pthread_create(&t771, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L870] 0 pthread_t t772; [L871] FCALL, FORK 0 pthread_create(&t772, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L800] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L803] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L806] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L806] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L807] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L807] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L808] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L809] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L810] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L820] 4 z = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L823] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L826] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L827] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L828] 4 a$flush_delayed = weak$$choice2 [L829] 4 a$mem_tmp = a [L830] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L830] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L831] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L831] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L831] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L831] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L832] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L832] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L832] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L832] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L833] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L833] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L833] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L833] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L834] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L834] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L835] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L835] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L835] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L836] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L836] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] 4 __unbuffered_p3_EBX = a [L838] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L838] 4 a = a$flush_delayed ? a$mem_tmp : a [L839] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2] [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L766] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L767] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L768] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L770] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L842] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L842] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L843] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L843] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L844] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L844] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L845] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L845] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L846] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L846] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L849] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L851] 4 return 0; [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L815] 3 return 0; [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 1 return 0; [L873] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L877] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L877] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L877] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L877] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L878] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L878] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L879] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L879] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L880] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L880] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L881] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L881] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L884] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 869]: 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: 867]: 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: 871]: 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: 865]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 166 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 15679.7ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 111.0ms, AutomataDifference: 2628.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7761.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 524 SDtfs, 700 SDslu, 1032 SDs, 0 SdLazy, 432 SolverSat, 108 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 789.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 475.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4754occurred in iteration=2, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2003.5ms AutomataMinimizationTime, 13 MinimizatonAttempts, 3170 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 87.4ms SsaConstructionTime, 857.3ms SatisfiabilityAnalysisTime, 1670.0ms InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 1838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-13 07:01:26,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4531b33-2082-4548-8be3-ee5e31c3efd8/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...