./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF --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 39f434d3f7e7749f4257e03557066c1349e963b1d489e771c14fc3ff33c9a6c7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:37:03,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:37:03,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:37:03,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:37:03,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:37:03,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:37:03,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:37:03,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:37:03,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:37:03,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:37:03,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:37:03,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:37:03,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:37:03,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:37:03,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:37:03,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:37:03,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:37:03,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:37:03,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:37:03,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:37:03,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:37:03,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:37:03,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:37:03,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:37:03,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:37:03,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:37:03,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:37:03,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:37:03,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:37:03,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:37:03,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:37:03,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:37:03,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:37:03,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:37:03,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:37:03,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:37:03,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:37:03,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:37:03,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:37:03,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:37:03,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:37:03,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:37:03,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:37:03,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:37:03,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:37:03,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:37:03,212 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:37:03,212 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:37:03,212 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:37:03,213 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:37:03,219 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:37:03,219 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:37:03,220 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:37:03,220 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:37:03,220 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:37:03,221 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:37:03,221 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:37:03,221 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:37:03,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:37:03,222 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:37:03,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:37:03,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:37:03,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:37:03,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:37:03,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:37:03,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:37:03,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:37:03,224 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:37:03,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:37:03,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:37:03,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:37:03,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:37:03,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:37:03,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:03,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:37:03,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:37:03,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:37:03,226 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:37:03,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:37:03,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:37:03,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:37:03,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:37:03,227 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_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39f434d3f7e7749f4257e03557066c1349e963b1d489e771c14fc3ff33c9a6c7 [2021-11-12 23:37:03,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:37:03,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:37:03,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:37:03,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:37:03,534 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:37:03,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i [2021-11-12 23:37:03,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data/ff14303b7/261f41cf12544538a6406f19bae90d51/FLAG57f777164 [2021-11-12 23:37:04,262 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:37:04,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i [2021-11-12 23:37:04,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data/ff14303b7/261f41cf12544538a6406f19bae90d51/FLAG57f777164 [2021-11-12 23:37:04,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data/ff14303b7/261f41cf12544538a6406f19bae90d51 [2021-11-12 23:37:04,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:37:04,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:37:04,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:04,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:37:04,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:37:04,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:04" (1/1) ... [2021-11-12 23:37:04,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c82aff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:04, skipping insertion in model container [2021-11-12 23:37:04,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:04" (1/1) ... [2021-11-12 23:37:04,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:37:04,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:04,760 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_c4303347-db91-4c6f-9922-873bb06d8471/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i[956,969] [2021-11-12 23:37:04,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:04,979 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:37:04,991 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_c4303347-db91-4c6f-9922-873bb06d8471/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i[956,969] [2021-11-12 23:37:05,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:05,106 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:37:05,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05 WrapperNode [2021-11-12 23:37:05,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:05,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:05,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:37:05,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:37:05,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:05,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:37:05,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:37:05,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:37:05,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:37:05,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:37:05,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:37:05,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:37:05,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (1/1) ... [2021-11-12 23:37:05,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:05,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:37:05,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:37:05,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:37:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:37:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-12 23:37:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:37:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:37:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-12 23:37:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-12 23:37:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-12 23:37:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-12 23:37:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-12 23:37:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-12 23:37:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-12 23:37:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-12 23:37:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:37:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-12 23:37:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:37:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:37:05,326 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:37:06,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:37:06,556 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:37:06,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:37:06 BoogieIcfgContainer [2021-11-12 23:37:06,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:37:06,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:37:06,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:37:06,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:37:06,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:37:04" (1/3) ... [2021-11-12 23:37:06,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466eb6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:37:06, skipping insertion in model container [2021-11-12 23:37:06,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:05" (2/3) ... [2021-11-12 23:37:06,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466eb6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:37:06, skipping insertion in model container [2021-11-12 23:37:06,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:37:06" (3/3) ... [2021-11-12 23:37:06,569 INFO L111 eAbstractionObserver]: Analyzing ICFG mix017_pso.opt_tso.opt.i [2021-11-12 23:37:06,575 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:37:06,575 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:37:06,576 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-12 23:37:06,576 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:37:06,637 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,637 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,639 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,639 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,640 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,640 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,640 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,641 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,641 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,641 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,642 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,642 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,642 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,642 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,642 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,643 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,643 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,644 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,644 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,645 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,645 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,645 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,646 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,646 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,647 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,647 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,647 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,647 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,647 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,647 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,648 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,648 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,648 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,648 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,648 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,650 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,650 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,650 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,650 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,651 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,651 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,651 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,651 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,651 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,652 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,652 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,652 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,652 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,652 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,652 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,653 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,653 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,653 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,653 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,654 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,655 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,655 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,655 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,655 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,663 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,664 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,664 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,665 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,665 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,666 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,666 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,666 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,666 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,672 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,672 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,672 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,672 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,672 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,673 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,673 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,673 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,673 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,673 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,673 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,674 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,674 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,674 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,674 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,674 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,674 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,675 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,675 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,675 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,675 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,675 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,677 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,677 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,678 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,678 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,678 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,678 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,679 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,679 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,679 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,679 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,679 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,679 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,680 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,680 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,680 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,680 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,680 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,681 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,681 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,681 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,681 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,682 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,682 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,683 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,683 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,683 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,683 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,683 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,683 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,684 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,684 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,684 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,684 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,684 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,684 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,685 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,685 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,686 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,686 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,686 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,686 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,686 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,688 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,688 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,688 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,688 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,688 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,688 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,689 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,689 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,689 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,689 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,689 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,689 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,690 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,690 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,690 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,690 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,692 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,692 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,692 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,694 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,694 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,694 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,694 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,694 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,694 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,695 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,695 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,695 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,695 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,695 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,695 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,696 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,696 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,696 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,696 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,696 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,696 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,697 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,697 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,697 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,697 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,697 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,697 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,698 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,698 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,698 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,698 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,699 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,704 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,705 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,705 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,705 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,705 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,705 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,708 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,708 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,708 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,708 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,708 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,709 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,709 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,709 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,710 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,720 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,720 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,720 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,720 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,721 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,722 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,722 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,722 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,722 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,730 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,730 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,730 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,730 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,731 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,731 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,731 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,731 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,731 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,732 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,732 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,732 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,732 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,732 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,734 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,734 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,735 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,735 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,735 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,736 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,736 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,736 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,736 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,736 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,737 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,737 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,737 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,737 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,737 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,738 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,738 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,738 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,738 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,738 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,738 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,739 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,739 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,739 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,739 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,739 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,740 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,740 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,740 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,740 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,740 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,742 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,742 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,743 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,743 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:06,743 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:37:06,788 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:37:06,806 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2021-11-12 23:37:06,806 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-12 23:37:06,821 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:37:06,835 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 136 transitions, 292 flow [2021-11-12 23:37:06,837 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 136 transitions, 292 flow [2021-11-12 23:37:06,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 136 transitions, 292 flow [2021-11-12 23:37:06,902 INFO L129 PetriNetUnfolder]: 2/132 cut-off events. [2021-11-12 23:37:06,902 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-12 23:37:06,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 132 events. 2/132 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2021-11-12 23:37:06,913 INFO L116 LiptonReduction]: Number of co-enabled transitions 2934 [2021-11-12 23:37:13,427 INFO L131 LiptonReduction]: Checked pairs total: 7677 [2021-11-12 23:37:13,428 INFO L133 LiptonReduction]: Total number of compositions: 119 [2021-11-12 23:37:13,437 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 32 transitions, 84 flow [2021-11-12 23:37:13,556 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2090 states, 2087 states have (on average 3.8485864877815046) internal successors, (8032), 2089 states have internal predecessors, (8032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:13,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 2090 states, 2087 states have (on average 3.8485864877815046) internal successors, (8032), 2089 states have internal predecessors, (8032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:13,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-12 23:37:13,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:13,574 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:13,575 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:13,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:13,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1159217133, now seen corresponding path program 1 times [2021-11-12 23:37:13,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:13,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519202119] [2021-11-12 23:37:13,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:13,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:13,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:13,975 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:13,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519202119] [2021-11-12 23:37:13,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519202119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:13,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:13,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-12 23:37:13,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450553074] [2021-11-12 23:37:13,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:13,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:37:13,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:14,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:37:14,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:37:14,013 INFO L87 Difference]: Start difference. First operand has 2090 states, 2087 states have (on average 3.8485864877815046) internal successors, (8032), 2089 states have internal predecessors, (8032), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:14,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:14,189 INFO L93 Difference]: Finished difference Result 1770 states and 6608 transitions. [2021-11-12 23:37:14,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:37:14,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-12 23:37:14,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:14,238 INFO L225 Difference]: With dead ends: 1770 [2021-11-12 23:37:14,238 INFO L226 Difference]: Without dead ends: 1706 [2021-11-12 23:37:14,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:37:14,243 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 11 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.89ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:14,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 6 Invalid, 39 Unknown, 0 Unchecked, 0.89ms Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 80.29ms Time] [2021-11-12 23:37:14,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2021-11-12 23:37:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2021-11-12 23:37:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1705 states have (on average 3.7536656891495603) internal successors, (6400), 1705 states have internal predecessors, (6400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 6400 transitions. [2021-11-12 23:37:14,431 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 6400 transitions. Word has length 9 [2021-11-12 23:37:14,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:14,432 INFO L470 AbstractCegarLoop]: Abstraction has 1706 states and 6400 transitions. [2021-11-12 23:37:14,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 6400 transitions. [2021-11-12 23:37:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-12 23:37:14,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:14,438 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:14,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:37:14,439 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:14,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:14,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1611250911, now seen corresponding path program 1 times [2021-11-12 23:37:14,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:14,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623896443] [2021-11-12 23:37:14,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:14,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:14,593 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:14,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623896443] [2021-11-12 23:37:14,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623896443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:14,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:14,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-12 23:37:14,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825221506] [2021-11-12 23:37:14,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:14,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:37:14,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:14,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:37:14,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:37:14,597 INFO L87 Difference]: Start difference. First operand 1706 states and 6400 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) [2021-11-12 23:37:14,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:14,693 INFO L93 Difference]: Finished difference Result 1690 states and 6320 transitions. [2021-11-12 23:37:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:37:14,694 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 [2021-11-12 23:37:14,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:14,712 INFO L225 Difference]: With dead ends: 1690 [2021-11-12 23:37:14,712 INFO L226 Difference]: Without dead ends: 1690 [2021-11-12 23:37:14,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:37:14,715 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.75ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:14,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 3 Invalid, 45 Unknown, 0 Unchecked, 0.61ms Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 66.75ms Time] [2021-11-12 23:37:14,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2021-11-12 23:37:14,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1690. [2021-11-12 23:37:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1689 states have (on average 3.7418590882178804) internal successors, (6320), 1689 states have internal predecessors, (6320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:14,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 6320 transitions. [2021-11-12 23:37:14,802 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 6320 transitions. Word has length 11 [2021-11-12 23:37:14,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:14,802 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 6320 transitions. [2021-11-12 23:37:14,803 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) [2021-11-12 23:37:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 6320 transitions. [2021-11-12 23:37:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:37:14,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:14,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:14,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:37:14,811 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:14,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:14,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1864754765, now seen corresponding path program 1 times [2021-11-12 23:37:14,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:14,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207464317] [2021-11-12 23:37:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:14,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:14,973 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:14,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207464317] [2021-11-12 23:37:14,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207464317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:14,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:14,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:37:14,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978970986] [2021-11-12 23:37:14,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:14,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:37:14,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:14,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:37:14,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:14,976 INFO L87 Difference]: Start difference. First operand 1690 states and 6320 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:15,088 INFO L93 Difference]: Finished difference Result 1578 states and 5856 transitions. [2021-11-12 23:37:15,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:37:15,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2021-11-12 23:37:15,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:15,106 INFO L225 Difference]: With dead ends: 1578 [2021-11-12 23:37:15,106 INFO L226 Difference]: Without dead ends: 1578 [2021-11-12 23:37:15,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:15,108 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 27 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.07ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:15,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 3 Invalid, 39 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 86.07ms Time] [2021-11-12 23:37:15,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2021-11-12 23:37:15,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1578. [2021-11-12 23:37:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1577 states have (on average 3.713379835129994) internal successors, (5856), 1577 states have internal predecessors, (5856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 5856 transitions. [2021-11-12 23:37:15,179 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 5856 transitions. Word has length 13 [2021-11-12 23:37:15,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:15,179 INFO L470 AbstractCegarLoop]: Abstraction has 1578 states and 5856 transitions. [2021-11-12 23:37:15,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 5856 transitions. [2021-11-12 23:37:15,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:37:15,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:15,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:15,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-12 23:37:15,182 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:15,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:15,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2073214817, now seen corresponding path program 1 times [2021-11-12 23:37:15,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:15,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755975196] [2021-11-12 23:37:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:15,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:15,337 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:15,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755975196] [2021-11-12 23:37:15,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755975196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:15,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:15,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:37:15,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219985647] [2021-11-12 23:37:15,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:15,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:37:15,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:15,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:37:15,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:37:15,344 INFO L87 Difference]: Start difference. First operand 1578 states and 5856 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:15,509 INFO L93 Difference]: Finished difference Result 1611 states and 5420 transitions. [2021-11-12 23:37:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:37:15,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2021-11-12 23:37:15,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:15,522 INFO L225 Difference]: With dead ends: 1611 [2021-11-12 23:37:15,522 INFO L226 Difference]: Without dead ends: 1227 [2021-11-12 23:37:15,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:37:15,523 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 31 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.26ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.95ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:15,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 15 Invalid, 90 Unknown, 0 Unchecked, 1.26ms Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 122.95ms Time] [2021-11-12 23:37:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2021-11-12 23:37:15,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1227. [2021-11-12 23:37:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1226 states have (on average 3.3450244698205545) internal successors, (4101), 1226 states have internal predecessors, (4101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 4101 transitions. [2021-11-12 23:37:15,573 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 4101 transitions. Word has length 13 [2021-11-12 23:37:15,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:15,574 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 4101 transitions. [2021-11-12 23:37:15,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 4101 transitions. [2021-11-12 23:37:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:37:15,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:15,577 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:15,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-12 23:37:15,577 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:15,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:15,578 INFO L85 PathProgramCache]: Analyzing trace with hash 629494823, now seen corresponding path program 1 times [2021-11-12 23:37:15,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:15,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075793995] [2021-11-12 23:37:15,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:15,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:15,716 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:15,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075793995] [2021-11-12 23:37:15,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075793995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:15,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:15,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:37:15,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098054866] [2021-11-12 23:37:15,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:15,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:37:15,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:15,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:37:15,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:37:15,718 INFO L87 Difference]: Start difference. First operand 1227 states and 4101 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:15,908 INFO L93 Difference]: Finished difference Result 1044 states and 3179 transitions. [2021-11-12 23:37:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:37:15,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2021-11-12 23:37:15,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:15,917 INFO L225 Difference]: With dead ends: 1044 [2021-11-12 23:37:15,917 INFO L226 Difference]: Without dead ends: 795 [2021-11-12 23:37:15,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:37:15,918 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 51 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 134.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.43ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 164.14ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:15,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 21 Invalid, 123 Unknown, 0 Unchecked, 2.43ms Time], IncrementalHoareTripleChecker [8 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 164.14ms Time] [2021-11-12 23:37:15,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2021-11-12 23:37:15,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 795. [2021-11-12 23:37:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 794 states have (on average 2.9886649874055418) internal successors, (2373), 794 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 2373 transitions. [2021-11-12 23:37:15,947 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 2373 transitions. Word has length 16 [2021-11-12 23:37:15,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:15,948 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 2373 transitions. [2021-11-12 23:37:15,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:15,948 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 2373 transitions. [2021-11-12 23:37:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-12 23:37:15,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:15,951 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:15,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-12 23:37:15,951 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:15,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:15,952 INFO L85 PathProgramCache]: Analyzing trace with hash 80841278, now seen corresponding path program 1 times [2021-11-12 23:37:15,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:15,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021089506] [2021-11-12 23:37:15,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:15,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:16,057 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:16,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021089506] [2021-11-12 23:37:16,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021089506] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:16,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:16,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-12 23:37:16,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182964242] [2021-11-12 23:37:16,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:16,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:37:16,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:16,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:37:16,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:37:16,059 INFO L87 Difference]: Start difference. First operand 795 states and 2373 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:16,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:16,264 INFO L93 Difference]: Finished difference Result 684 states and 2009 transitions. [2021-11-12 23:37:16,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:37:16,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2021-11-12 23:37:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:16,269 INFO L225 Difference]: With dead ends: 684 [2021-11-12 23:37:16,269 INFO L226 Difference]: Without dead ends: 597 [2021-11-12 23:37:16,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:16,270 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 76 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 158.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.39ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 183.96ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:16,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 24 Invalid, 140 Unknown, 0 Unchecked, 1.39ms Time], IncrementalHoareTripleChecker [12 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 183.96ms Time] [2021-11-12 23:37:16,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-11-12 23:37:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2021-11-12 23:37:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 596 states have (on average 2.9848993288590604) internal successors, (1779), 596 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1779 transitions. [2021-11-12 23:37:16,292 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1779 transitions. Word has length 19 [2021-11-12 23:37:16,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:16,293 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 1779 transitions. [2021-11-12 23:37:16,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1779 transitions. [2021-11-12 23:37:16,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-12 23:37:16,295 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:16,295 INFO L514 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] [2021-11-12 23:37:16,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-12 23:37:16,296 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:16,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:16,296 INFO L85 PathProgramCache]: Analyzing trace with hash 281085297, now seen corresponding path program 1 times [2021-11-12 23:37:16,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:16,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375074570] [2021-11-12 23:37:16,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:16,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:16,418 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:16,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375074570] [2021-11-12 23:37:16,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375074570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:16,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:16,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-12 23:37:16,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739698411] [2021-11-12 23:37:16,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:16,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:37:16,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:16,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:37:16,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:16,421 INFO L87 Difference]: Start difference. First operand 597 states and 1779 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:16,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:16,622 INFO L93 Difference]: Finished difference Result 572 states and 1727 transitions. [2021-11-12 23:37:16,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:37:16,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2021-11-12 23:37:16,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:16,628 INFO L225 Difference]: With dead ends: 572 [2021-11-12 23:37:16,628 INFO L226 Difference]: Without dead ends: 557 [2021-11-12 23:37:16,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:37:16,629 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 92 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 155.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 181.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:16,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 24 Invalid, 152 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [19 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 181.45ms Time] [2021-11-12 23:37:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2021-11-12 23:37:16,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2021-11-12 23:37:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 556 states have (on average 3.055755395683453) internal successors, (1699), 556 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 1699 transitions. [2021-11-12 23:37:16,660 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 1699 transitions. Word has length 22 [2021-11-12 23:37:16,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:16,661 INFO L470 AbstractCegarLoop]: Abstraction has 557 states and 1699 transitions. [2021-11-12 23:37:16,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:16,662 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1699 transitions. [2021-11-12 23:37:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-12 23:37:16,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:16,664 INFO L514 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] [2021-11-12 23:37:16,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-12 23:37:16,665 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:16,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:16,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1865812271, now seen corresponding path program 1 times [2021-11-12 23:37:16,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:16,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181472090] [2021-11-12 23:37:16,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:16,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:16,870 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:16,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181472090] [2021-11-12 23:37:16,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181472090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:16,871 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:16,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:37:16,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656932834] [2021-11-12 23:37:16,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:16,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:37:16,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:16,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:37:16,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:37:16,873 INFO L87 Difference]: Start difference. First operand 557 states and 1699 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:17,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:17,030 INFO L93 Difference]: Finished difference Result 703 states and 2109 transitions. [2021-11-12 23:37:17,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:37:17,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 25 [2021-11-12 23:37:17,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:17,033 INFO L225 Difference]: With dead ends: 703 [2021-11-12 23:37:17,034 INFO L226 Difference]: Without dead ends: 287 [2021-11-12 23:37:17,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:17,034 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 40 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.15ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:17,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 7 Invalid, 115 Unknown, 0 Unchecked, 1.15ms Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 129.27ms Time] [2021-11-12 23:37:17,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-11-12 23:37:17,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2021-11-12 23:37:17,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 2.730769230769231) internal successors, (781), 286 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 781 transitions. [2021-11-12 23:37:17,045 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 781 transitions. Word has length 25 [2021-11-12 23:37:17,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:17,045 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 781 transitions. [2021-11-12 23:37:17,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 781 transitions. [2021-11-12 23:37:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-12 23:37:17,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:17,047 INFO L514 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] [2021-11-12 23:37:17,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-12 23:37:17,048 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:17,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:17,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1454713327, now seen corresponding path program 2 times [2021-11-12 23:37:17,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:17,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67575136] [2021-11-12 23:37:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:17,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:17,264 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:17,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67575136] [2021-11-12 23:37:17,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67575136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:17,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:17,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-12 23:37:17,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353514442] [2021-11-12 23:37:17,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:17,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:37:17,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:17,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:37:17,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:17,267 INFO L87 Difference]: Start difference. First operand 287 states and 781 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:17,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:17,419 INFO L93 Difference]: Finished difference Result 367 states and 985 transitions. [2021-11-12 23:37:17,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:37:17,420 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2021-11-12 23:37:17,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:17,422 INFO L225 Difference]: With dead ends: 367 [2021-11-12 23:37:17,422 INFO L226 Difference]: Without dead ends: 149 [2021-11-12 23:37:17,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:37:17,423 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 43 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.92ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 140.17ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:17,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 17 Invalid, 148 Unknown, 0 Unchecked, 0.92ms Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 140.17ms Time] [2021-11-12 23:37:17,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-11-12 23:37:17,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2021-11-12 23:37:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 2.418918918918919) internal successors, (358), 148 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 358 transitions. [2021-11-12 23:37:17,428 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 358 transitions. Word has length 25 [2021-11-12 23:37:17,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:17,428 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 358 transitions. [2021-11-12 23:37:17,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 358 transitions. [2021-11-12 23:37:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-12 23:37:17,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:17,431 INFO L514 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] [2021-11-12 23:37:17,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-12 23:37:17,432 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:17,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:17,432 INFO L85 PathProgramCache]: Analyzing trace with hash 925128785, now seen corresponding path program 3 times [2021-11-12 23:37:17,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:17,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354453063] [2021-11-12 23:37:17,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:17,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:17,566 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:17,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354453063] [2021-11-12 23:37:17,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354453063] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:17,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:17,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:37:17,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369262895] [2021-11-12 23:37:17,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:17,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:37:17,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:17,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:37:17,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:37:17,568 INFO L87 Difference]: Start difference. First operand 149 states and 358 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:17,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:17,686 INFO L93 Difference]: Finished difference Result 187 states and 444 transitions. [2021-11-12 23:37:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:37:17,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 25 [2021-11-12 23:37:17,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:17,688 INFO L225 Difference]: With dead ends: 187 [2021-11-12 23:37:17,688 INFO L226 Difference]: Without dead ends: 80 [2021-11-12 23:37:17,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:17,689 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 31 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.25ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:17,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 7 Invalid, 98 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 98.25ms Time] [2021-11-12 23:37:17,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-12 23:37:17,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-12 23:37:17,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 2.1012658227848102) internal successors, (166), 79 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 166 transitions. [2021-11-12 23:37:17,692 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 166 transitions. Word has length 25 [2021-11-12 23:37:17,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:17,693 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 166 transitions. [2021-11-12 23:37:17,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:17,693 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 166 transitions. [2021-11-12 23:37:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-12 23:37:17,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:17,695 INFO L514 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] [2021-11-12 23:37:17,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-12 23:37:17,695 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:17,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:17,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1586146487, now seen corresponding path program 4 times [2021-11-12 23:37:17,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:17,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896775474] [2021-11-12 23:37:17,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:17,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:18,095 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:37:18,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896775474] [2021-11-12 23:37:18,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896775474] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:18,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:18,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-12 23:37:18,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122205914] [2021-11-12 23:37:18,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:18,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:37:18,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:37:18,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:37:18,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:18,097 INFO L87 Difference]: Start difference. First operand 80 states and 166 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:18,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:18,230 INFO L93 Difference]: Finished difference Result 98 states and 200 transitions. [2021-11-12 23:37:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:37:18,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2021-11-12 23:37:18,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:18,231 INFO L225 Difference]: With dead ends: 98 [2021-11-12 23:37:18,231 INFO L226 Difference]: Without dead ends: 52 [2021-11-12 23:37:18,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:37:18,232 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 15 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.75ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:18,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 23 Invalid, 137 Unknown, 0 Unchecked, 0.75ms Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 120.42ms Time] [2021-11-12 23:37:18,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-12 23:37:18,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-12 23:37:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.7647058823529411) internal successors, (90), 51 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:18,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 90 transitions. [2021-11-12 23:37:18,235 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 90 transitions. Word has length 25 [2021-11-12 23:37:18,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:18,236 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 90 transitions. [2021-11-12 23:37:18,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:18,236 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2021-11-12 23:37:18,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-12 23:37:18,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:18,237 INFO L514 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] [2021-11-12 23:37:18,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-12 23:37:18,237 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:18,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:18,238 INFO L85 PathProgramCache]: Analyzing trace with hash 679996169, now seen corresponding path program 5 times [2021-11-12 23:37:18,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:37:18,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68438007] [2021-11-12 23:37:18,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:18,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:37:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:37:18,319 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:37:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:37:18,425 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:37:18,425 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:37:18,426 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-12 23:37:18,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-12 23:37:18,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-12 23:37:18,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-11-12 23:37:18,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-11-12 23:37:18,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-11-12 23:37:18,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-12 23:37:18,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-12 23:37:18,431 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:18,435 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 23:37:18,436 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:37:18,508 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:37:18,513 INFO L158 Benchmark]: Toolchain (without parser) took 14011.45ms. Allocated memory was 88.1MB in the beginning and 232.8MB in the end (delta: 144.7MB). Free memory was 52.0MB in the beginning and 81.8MB in the end (delta: -29.8MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2021-11-12 23:37:18,514 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:37:18,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.96ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 51.8MB in the beginning and 78.3MB in the end (delta: -26.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:37:18,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.72ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 74.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:37:18,515 INFO L158 Benchmark]: Boogie Preprocessor took 42.16ms. Allocated memory is still 115.3MB. Free memory was 74.9MB in the beginning and 72.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:37:18,515 INFO L158 Benchmark]: RCFGBuilder took 1322.67ms. Allocated memory is still 115.3MB. Free memory was 72.3MB in the beginning and 76.5MB in the end (delta: -4.3MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2021-11-12 23:37:18,515 INFO L158 Benchmark]: TraceAbstraction took 11951.04ms. Allocated memory was 115.3MB in the beginning and 232.8MB in the end (delta: 117.4MB). Free memory was 76.0MB in the beginning and 81.8MB in the end (delta: -5.8MB). Peak memory consumption was 111.6MB. Max. memory is 16.1GB. [2021-11-12 23:37:18,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.96ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 51.8MB in the beginning and 78.3MB in the end (delta: -26.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.72ms. Allocated memory is still 115.3MB. Free memory was 78.3MB in the beginning and 74.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.16ms. Allocated memory is still 115.3MB. Free memory was 74.9MB in the beginning and 72.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1322.67ms. Allocated memory is still 115.3MB. Free memory was 72.3MB in the beginning and 76.5MB in the end (delta: -4.3MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * TraceAbstraction took 11951.04ms. Allocated memory was 115.3MB in the beginning and 232.8MB in the end (delta: 117.4MB). Free memory was 76.0MB in the beginning and 81.8MB in the end (delta: -5.8MB). Peak memory consumption was 111.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.6s, 147 PlacesBefore, 44 PlacesAfterwards, 136 TransitionsBefore, 32 TransitionsAfterwards, 2934 CoEnabledTransitionPairs, 8 FixpointIterations, 47 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 119 TotalNumberOfCompositions, 7677 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3785, positive: 3559, positive conditional: 0, positive unconditional: 3559, negative: 226, negative conditional: 0, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2227, positive: 2160, positive conditional: 0, positive unconditional: 2160, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2227, positive: 2134, positive conditional: 0, positive unconditional: 2134, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 493, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 456, negative conditional: 0, negative unconditional: 456, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3785, positive: 1399, positive conditional: 0, positive unconditional: 1399, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 2227, unknown conditional: 0, unknown unconditional: 2227] , Statistics on independence cache: Total cache size (in pairs): 228, Positive cache size: 204, Positive conditional cache size: 0, Positive unconditional cache size: 204, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:37:18,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF --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 39f434d3f7e7749f4257e03557066c1349e963b1d489e771c14fc3ff33c9a6c7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:37:20,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:37:20,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:37:20,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:37:20,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:37:21,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:37:21,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:37:21,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:37:21,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:37:21,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:37:21,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:37:21,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:37:21,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:37:21,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:37:21,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:37:21,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:37:21,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:37:21,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:37:21,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:37:21,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:37:21,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:37:21,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:37:21,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:37:21,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:37:21,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:37:21,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:37:21,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:37:21,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:37:21,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:37:21,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:37:21,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:37:21,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:37:21,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:37:21,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:37:21,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:37:21,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:37:21,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:37:21,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:37:21,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:37:21,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:37:21,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:37:21,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:37:21,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:37:21,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:37:21,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:37:21,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:37:21,136 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:37:21,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:37:21,136 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:37:21,137 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:37:21,137 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:37:21,137 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:37:21,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:37:21,140 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:37:21,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:37:21,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:37:21,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:37:21,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:37:21,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:37:21,141 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:37:21,141 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:37:21,141 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:37:21,141 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:37:21,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:37:21,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:37:21,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:37:21,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:37:21,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:37:21,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:37:21,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:21,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:37:21,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:37:21,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:37:21,144 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:37:21,144 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:37:21,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:37:21,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:37:21,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:37:21,146 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39f434d3f7e7749f4257e03557066c1349e963b1d489e771c14fc3ff33c9a6c7 [2021-11-12 23:37:21,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:37:21,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:37:21,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:37:21,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:37:21,565 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:37:21,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i [2021-11-12 23:37:21,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data/10751e4de/0267f4ffc7164a9ab3eb300bd58a3f2f/FLAGe7c8c8b52 [2021-11-12 23:37:22,233 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:37:22,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i [2021-11-12 23:37:22,256 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data/10751e4de/0267f4ffc7164a9ab3eb300bd58a3f2f/FLAGe7c8c8b52 [2021-11-12 23:37:22,508 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/data/10751e4de/0267f4ffc7164a9ab3eb300bd58a3f2f [2021-11-12 23:37:22,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:37:22,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:37:22,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:22,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:37:22,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:37:22,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:22" (1/1) ... [2021-11-12 23:37:22,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67913d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:22, skipping insertion in model container [2021-11-12 23:37:22,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:22" (1/1) ... [2021-11-12 23:37:22,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:37:22,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:22,754 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_c4303347-db91-4c6f-9922-873bb06d8471/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i[956,969] [2021-11-12 23:37:23,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:23,015 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:37:23,027 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_c4303347-db91-4c6f-9922-873bb06d8471/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i[956,969] [2021-11-12 23:37:23,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:23,169 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:37:23,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23 WrapperNode [2021-11-12 23:37:23,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:23,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:23,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:37:23,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:37:23,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:23,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:37:23,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:37:23,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:37:23,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:37:23,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:37:23,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:37:23,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:37:23,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (1/1) ... [2021-11-12 23:37:23,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:23,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:37:23,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:37:23,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:37:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-12 23:37:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:37:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:37:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:37:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:37:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-12 23:37:23,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-12 23:37:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-12 23:37:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-12 23:37:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-12 23:37:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-12 23:37:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-12 23:37:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-12 23:37:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-12 23:37:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:37:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:37:23,514 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:37:24,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:37:24,814 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:37:24,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:37:24 BoogieIcfgContainer [2021-11-12 23:37:24,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:37:24,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:37:24,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:37:24,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:37:24,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:37:22" (1/3) ... [2021-11-12 23:37:24,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9ab600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:37:24, skipping insertion in model container [2021-11-12 23:37:24,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:23" (2/3) ... [2021-11-12 23:37:24,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9ab600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:37:24, skipping insertion in model container [2021-11-12 23:37:24,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:37:24" (3/3) ... [2021-11-12 23:37:24,824 INFO L111 eAbstractionObserver]: Analyzing ICFG mix017_pso.opt_tso.opt.i [2021-11-12 23:37:24,829 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:37:24,829 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:37:24,830 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-12 23:37:24,830 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:37:24,894 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,894 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,895 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,895 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,895 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,895 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,896 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,896 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,896 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,896 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,897 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,898 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,898 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,898 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,899 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,899 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,899 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,900 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,900 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,900 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,901 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,902 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,902 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,902 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,903 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,903 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,903 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,903 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,903 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,904 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,909 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,909 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,909 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,910 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,910 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,915 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,915 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,918 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,920 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,921 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,921 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,922 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,922 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,923 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,923 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,923 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,923 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,929 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,929 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,929 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,929 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,930 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,930 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,930 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,930 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,931 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,931 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,932 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,932 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,932 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,932 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,932 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,932 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,933 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,933 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,937 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,937 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,937 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,938 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,938 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,938 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,938 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,939 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,939 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,939 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,939 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,939 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,940 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,940 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,940 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,940 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,941 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,941 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,941 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,941 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,942 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,942 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,942 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,942 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,942 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,942 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,943 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,943 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,943 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,943 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,943 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,943 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,944 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,944 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,944 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,944 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,944 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,945 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,945 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,945 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,945 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,946 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,946 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,946 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,946 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,947 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,948 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,948 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,948 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,949 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,949 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,949 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,949 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,949 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,949 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,950 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,950 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,950 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,952 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,952 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,952 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,952 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,953 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,953 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,953 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,953 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,953 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,954 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,954 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,954 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,954 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,954 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,954 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,957 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,957 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,957 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,957 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,957 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,957 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,958 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,958 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,958 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,958 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,958 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,974 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,975 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,975 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,976 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,979 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,979 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,980 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,980 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,980 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,980 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,981 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,981 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,981 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,982 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,983 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,983 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,983 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,983 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,991 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,991 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,992 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,993 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,993 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,993 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,993 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,993 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,993 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,994 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,994 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,994 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,994 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,994 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,994 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,994 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,995 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,995 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,995 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,995 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,995 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,996 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,996 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,997 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,997 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,997 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:24,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,002 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,002 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,002 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,002 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,002 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,002 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,002 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,003 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,003 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,004 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,004 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,004 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,004 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:37:25,004 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:37:25,062 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:37:25,068 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2021-11-12 23:37:25,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-12 23:37:25,082 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:37:25,100 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 137 transitions, 294 flow [2021-11-12 23:37:25,107 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 137 transitions, 294 flow [2021-11-12 23:37:25,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 294 flow [2021-11-12 23:37:25,192 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2021-11-12 23:37:25,192 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-12 23:37:25,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 2/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2021-11-12 23:37:25,203 INFO L116 LiptonReduction]: Number of co-enabled transitions 2934 [2021-11-12 23:37:35,443 INFO L131 LiptonReduction]: Checked pairs total: 7003 [2021-11-12 23:37:35,443 INFO L133 LiptonReduction]: Total number of compositions: 118 [2021-11-12 23:37:35,460 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 33 transitions, 86 flow [2021-11-12 23:37:35,623 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2538 states, 2535 states have (on average 4.02051282051282) internal successors, (10192), 2537 states have internal predecessors, (10192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 2538 states, 2535 states have (on average 4.02051282051282) internal successors, (10192), 2537 states have internal predecessors, (10192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:35,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-12 23:37:35,646 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:35,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:35,648 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:35,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:35,655 INFO L85 PathProgramCache]: Analyzing trace with hash 906962374, now seen corresponding path program 1 times [2021-11-12 23:37:35,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:35,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325299296] [2021-11-12 23:37:35,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:35,675 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:35,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:35,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:35,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:37:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:35,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:37:35,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:35,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:35,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:36,029 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:36,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325299296] [2021-11-12 23:37:36,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1325299296] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:36,030 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:36,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-11-12 23:37:36,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234060045] [2021-11-12 23:37:36,032 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:36,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:37:36,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:36,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:37:36,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:37:36,095 INFO L87 Difference]: Start difference. First operand has 2538 states, 2535 states have (on average 4.02051282051282) internal successors, (10192), 2537 states have internal predecessors, (10192), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:36,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:36,297 INFO L93 Difference]: Finished difference Result 2154 states and 8176 transitions. [2021-11-12 23:37:36,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:37:36,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-12 23:37:36,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:36,353 INFO L225 Difference]: With dead ends: 2154 [2021-11-12 23:37:36,353 INFO L226 Difference]: Without dead ends: 2090 [2021-11-12 23:37:36,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:37:36,359 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.90ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:36,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 6 Invalid, 41 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 135.90ms Time] [2021-11-12 23:37:36,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2021-11-12 23:37:36,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 2090. [2021-11-12 23:37:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2090 states, 2089 states have (on average 3.814265198659646) internal successors, (7968), 2089 states have internal predecessors, (7968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 7968 transitions. [2021-11-12 23:37:36,591 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 7968 transitions. Word has length 9 [2021-11-12 23:37:36,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:36,593 INFO L470 AbstractCegarLoop]: Abstraction has 2090 states and 7968 transitions. [2021-11-12 23:37:36,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:36,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 7968 transitions. [2021-11-12 23:37:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-12 23:37:36,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:36,604 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:36,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:36,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:36,826 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:36,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:36,827 INFO L85 PathProgramCache]: Analyzing trace with hash -319635317, now seen corresponding path program 1 times [2021-11-12 23:37:36,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:36,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766539377] [2021-11-12 23:37:36,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:36,828 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:36,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:36,830 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:36,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:37:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:37,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:37:37,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:37,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:37,198 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:37,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766539377] [2021-11-12 23:37:37,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766539377] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:37,199 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:37,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:37:37,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171995158] [2021-11-12 23:37:37,200 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:37,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:37:37,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:37,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:37:37,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:37:37,203 INFO L87 Difference]: Start difference. First operand 2090 states and 7968 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:37,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:37,521 INFO L93 Difference]: Finished difference Result 1286 states and 4157 transitions. [2021-11-12 23:37:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:37:37,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 [2021-11-12 23:37:37,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:37,530 INFO L225 Difference]: With dead ends: 1286 [2021-11-12 23:37:37,530 INFO L226 Difference]: Without dead ends: 902 [2021-11-12 23:37:37,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:37,532 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 56 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 234.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.03ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 273.71ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:37,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 21 Invalid, 131 Unknown, 0 Unchecked, 3.03ms Time], IncrementalHoareTripleChecker [12 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 273.71ms Time] [2021-11-12 23:37:37,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2021-11-12 23:37:37,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2021-11-12 23:37:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 901 states have (on average 2.970033296337403) internal successors, (2676), 901 states have internal predecessors, (2676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 2676 transitions. [2021-11-12 23:37:37,621 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 2676 transitions. Word has length 12 [2021-11-12 23:37:37,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:37,622 INFO L470 AbstractCegarLoop]: Abstraction has 902 states and 2676 transitions. [2021-11-12 23:37:37,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 2676 transitions. [2021-11-12 23:37:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-12 23:37:37,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:37,625 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:37,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-12 23:37:37,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:37,825 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:37,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:37,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1668695586, now seen corresponding path program 1 times [2021-11-12 23:37:37,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:37,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782409820] [2021-11-12 23:37:37,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:37,827 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:37,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:37,828 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:37,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:37:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:37,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:37:37,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:38,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:38,203 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:38,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782409820] [2021-11-12 23:37:38,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782409820] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:38,203 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:38,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:37:38,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50683424] [2021-11-12 23:37:38,204 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:38,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:37:38,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:38,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:37:38,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:37:38,206 INFO L87 Difference]: Start difference. First operand 902 states and 2676 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:38,755 INFO L93 Difference]: Finished difference Result 645 states and 1944 transitions. [2021-11-12 23:37:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:37:38,756 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 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 18 [2021-11-12 23:37:38,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:38,761 INFO L225 Difference]: With dead ends: 645 [2021-11-12 23:37:38,761 INFO L226 Difference]: Without dead ends: 558 [2021-11-12 23:37:38,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:37:38,763 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 125 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 417.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.59ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 485.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:38,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 63 Invalid, 380 Unknown, 0 Unchecked, 4.59ms Time], IncrementalHoareTripleChecker [32 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 485.74ms Time] [2021-11-12 23:37:38,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2021-11-12 23:37:38,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2021-11-12 23:37:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 557 states have (on average 3.0520646319569122) internal successors, (1700), 557 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 1700 transitions. [2021-11-12 23:37:38,795 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 1700 transitions. Word has length 18 [2021-11-12 23:37:38,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:38,815 INFO L470 AbstractCegarLoop]: Abstraction has 558 states and 1700 transitions. [2021-11-12 23:37:38,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1700 transitions. [2021-11-12 23:37:38,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:37:38,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:38,819 INFO L514 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] [2021-11-12 23:37:38,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:39,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:39,034 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:39,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:39,034 INFO L85 PathProgramCache]: Analyzing trace with hash -5235307, now seen corresponding path program 1 times [2021-11-12 23:37:39,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:39,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156776306] [2021-11-12 23:37:39,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:39,035 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:39,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:39,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:39,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:37:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:39,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:37:39,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:39,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:39,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:39,520 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:39,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156776306] [2021-11-12 23:37:39,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156776306] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:39,520 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:39,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-12 23:37:39,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440047928] [2021-11-12 23:37:39,521 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:39,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:37:39,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:39,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:37:39,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:37:39,522 INFO L87 Difference]: Start difference. First operand 558 states and 1700 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:39,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:39,793 INFO L93 Difference]: Finished difference Result 705 states and 2111 transitions. [2021-11-12 23:37:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:37:39,793 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 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 26 [2021-11-12 23:37:39,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:39,796 INFO L225 Difference]: With dead ends: 705 [2021-11-12 23:37:39,796 INFO L226 Difference]: Without dead ends: 288 [2021-11-12 23:37:39,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:37:39,798 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 33 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 209.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 241.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:39,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 17 Invalid, 165 Unknown, 0 Unchecked, 1.32ms Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 241.74ms Time] [2021-11-12 23:37:39,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-11-12 23:37:39,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2021-11-12 23:37:39,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 2.724738675958188) internal successors, (782), 287 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 782 transitions. [2021-11-12 23:37:39,810 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 782 transitions. Word has length 26 [2021-11-12 23:37:39,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:39,810 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 782 transitions. [2021-11-12 23:37:39,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 782 transitions. [2021-11-12 23:37:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:37:39,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:39,812 INFO L514 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] [2021-11-12 23:37:39,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:40,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:40,027 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:40,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:40,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1645803391, now seen corresponding path program 2 times [2021-11-12 23:37:40,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:40,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881882246] [2021-11-12 23:37:40,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 23:37:40,028 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:40,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:40,029 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:40,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:37:40,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-12 23:37:40,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:37:40,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:37:40,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:40,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:40,488 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:40,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881882246] [2021-11-12 23:37:40,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881882246] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:40,488 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:40,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-12 23:37:40,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375984522] [2021-11-12 23:37:40,489 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:40,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:37:40,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:40,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:37:40,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:37:40,490 INFO L87 Difference]: Start difference. First operand 288 states and 782 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:40,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:40,779 INFO L93 Difference]: Finished difference Result 363 states and 971 transitions. [2021-11-12 23:37:40,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:37:40,780 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 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 26 [2021-11-12 23:37:40,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:40,781 INFO L225 Difference]: With dead ends: 363 [2021-11-12 23:37:40,781 INFO L226 Difference]: Without dead ends: 150 [2021-11-12 23:37:40,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:37:40,783 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 25 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 232.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 265.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:40,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 20 Invalid, 202 Unknown, 0 Unchecked, 1.44ms Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 265.36ms Time] [2021-11-12 23:37:40,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-11-12 23:37:40,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2021-11-12 23:37:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 149 states have (on average 2.4093959731543624) internal successors, (359), 149 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 359 transitions. [2021-11-12 23:37:40,790 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 359 transitions. Word has length 26 [2021-11-12 23:37:40,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:40,790 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 359 transitions. [2021-11-12 23:37:40,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 359 transitions. [2021-11-12 23:37:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:37:40,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:40,791 INFO L514 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] [2021-11-12 23:37:40,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:41,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:41,006 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:41,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:41,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1724925063, now seen corresponding path program 3 times [2021-11-12 23:37:41,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:41,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790263927] [2021-11-12 23:37:41,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:37:41,007 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:41,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:41,008 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:41,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:37:41,239 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-12 23:37:41,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:37:41,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:37:41,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:41,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:41,500 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:41,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790263927] [2021-11-12 23:37:41,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790263927] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:41,500 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:41,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-12 23:37:41,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56404344] [2021-11-12 23:37:41,501 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:41,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:37:41,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:41,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:37:41,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:37:41,502 INFO L87 Difference]: Start difference. First operand 150 states and 359 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:41,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:41,723 INFO L93 Difference]: Finished difference Result 189 states and 446 transitions. [2021-11-12 23:37:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:37:41,723 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 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 26 [2021-11-12 23:37:41,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:41,724 INFO L225 Difference]: With dead ends: 189 [2021-11-12 23:37:41,724 INFO L226 Difference]: Without dead ends: 81 [2021-11-12 23:37:41,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:37:41,725 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 36 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 158.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 199.20ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:41,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 21 Invalid, 168 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 199.20ms Time] [2021-11-12 23:37:41,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-11-12 23:37:41,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-11-12 23:37:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 2.0875) internal successors, (167), 80 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 167 transitions. [2021-11-12 23:37:41,730 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 167 transitions. Word has length 26 [2021-11-12 23:37:41,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:41,730 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 167 transitions. [2021-11-12 23:37:41,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 167 transitions. [2021-11-12 23:37:41,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:37:41,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:41,731 INFO L514 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] [2021-11-12 23:37:41,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-12 23:37:41,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:41,943 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:41,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:41,943 INFO L85 PathProgramCache]: Analyzing trace with hash 637459491, now seen corresponding path program 4 times [2021-11-12 23:37:41,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:41,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260471724] [2021-11-12 23:37:41,944 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:37:41,944 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:41,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:41,945 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:41,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:37:42,121 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:37:42,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:37:42,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:37:42,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:42,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:37:45,547 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:45,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260471724] [2021-11-12 23:37:45,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260471724] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:37:45,548 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:37:45,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 12 [2021-11-12 23:37:45,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973888087] [2021-11-12 23:37:45,548 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:45,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-12 23:37:45,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:45,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-12 23:37:45,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:37:45,551 INFO L87 Difference]: Start difference. First operand 81 states and 167 transitions. Second operand has 14 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:46,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:46,206 INFO L93 Difference]: Finished difference Result 100 states and 202 transitions. [2021-11-12 23:37:46,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:37:46,207 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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 26 [2021-11-12 23:37:46,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:46,208 INFO L225 Difference]: With dead ends: 100 [2021-11-12 23:37:46,208 INFO L226 Difference]: Without dead ends: 53 [2021-11-12 23:37:46,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:37:46,209 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 88 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 316.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.34ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 353.71ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:46,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 44 Invalid, 280 Unknown, 0 Unchecked, 2.34ms Time], IncrementalHoareTripleChecker [25 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 353.71ms Time] [2021-11-12 23:37:46,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-12 23:37:46,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-12 23:37:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.75) internal successors, (91), 52 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 91 transitions. [2021-11-12 23:37:46,212 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 91 transitions. Word has length 26 [2021-11-12 23:37:46,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:46,212 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 91 transitions. [2021-11-12 23:37:46,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:37:46,212 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2021-11-12 23:37:46,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:37:46,218 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:46,219 INFO L514 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] [2021-11-12 23:37:46,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:46,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:46,430 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-12 23:37:46,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:46,430 INFO L85 PathProgramCache]: Analyzing trace with hash 881471395, now seen corresponding path program 5 times [2021-11-12 23:37:46,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:46,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656182361] [2021-11-12 23:37:46,431 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-12 23:37:46,431 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:46,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:46,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:46,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:37:46,642 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-12 23:37:46,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-12 23:37:46,642 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:37:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:37:46,874 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-12 23:37:46,874 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:37:46,875 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-12 23:37:46,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-12 23:37:46,877 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-12 23:37:46,877 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-11-12 23:37:46,877 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-11-12 23:37:46,877 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-11-12 23:37:46,878 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-12 23:37:46,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:47,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:47,095 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2021-11-12 23:37:47,099 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 23:37:47,099 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:37:47,167 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:37:47,169 INFO L158 Benchmark]: Toolchain (without parser) took 24656.45ms. Allocated memory was 62.9MB in the beginning and 192.9MB in the end (delta: 130.0MB). Free memory was 41.0MB in the beginning and 63.9MB in the end (delta: -22.9MB). Peak memory consumption was 105.9MB. Max. memory is 16.1GB. [2021-11-12 23:37:47,169 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:37:47,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.44ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 31.6MB in the end (delta: 9.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:37:47,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.46ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 28.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:37:47,171 INFO L158 Benchmark]: Boogie Preprocessor took 94.31ms. Allocated memory is still 62.9MB. Free memory was 28.7MB in the beginning and 25.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:37:47,171 INFO L158 Benchmark]: RCFGBuilder took 1421.43ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 25.8MB in the beginning and 43.3MB in the end (delta: -17.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-11-12 23:37:47,171 INFO L158 Benchmark]: TraceAbstraction took 22350.33ms. Allocated memory was 77.6MB in the beginning and 192.9MB in the end (delta: 115.3MB). Free memory was 42.6MB in the beginning and 63.9MB in the end (delta: -21.3MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2021-11-12 23:37:47,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.44ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 31.6MB in the end (delta: 9.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.46ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 28.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.31ms. Allocated memory is still 62.9MB. Free memory was 28.7MB in the beginning and 25.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1421.43ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 25.8MB in the beginning and 43.3MB in the end (delta: -17.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 22350.33ms. Allocated memory was 77.6MB in the beginning and 192.9MB in the end (delta: 115.3MB). Free memory was 42.6MB in the beginning and 63.9MB in the end (delta: -21.3MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3s, 148 PlacesBefore, 45 PlacesAfterwards, 137 TransitionsBefore, 33 TransitionsAfterwards, 2934 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 118 TotalNumberOfCompositions, 7003 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3928, positive: 3745, positive conditional: 0, positive unconditional: 3745, negative: 183, negative conditional: 0, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2100, positive: 2051, positive conditional: 0, positive unconditional: 2051, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2100, positive: 2028, positive conditional: 0, positive unconditional: 2028, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 633, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 532, negative conditional: 0, negative unconditional: 532, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3928, positive: 1694, positive conditional: 0, positive unconditional: 1694, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 2100, unknown conditional: 0, unknown unconditional: 2100] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 202, Positive conditional cache size: 0, Positive unconditional cache size: 202, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:37:47,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4303347-db91-4c6f-9922-873bb06d8471/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null