/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 23:13:29,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 23:13:29,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 23:13:30,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-17 23:13:30,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 23:13:30,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 23:13:30,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 23:13:30,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-17 23:13:30,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 23:13:30,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 23:13:30,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 23:13:30,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 23:13:30,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 23:13:30,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 23:13:30,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 23:13:30,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 23:13:30,085 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 23:13:30,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 23:13:30,085 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 23:13:30,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 23:13:30,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 23:13:30,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 23:13:30,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 23:13:30,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 23:13:30,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 23:13:30,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 23:13:30,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 23:13:30,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 23:13:30,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 23:13:30,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 23:13:30,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 23:13:30,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 23:13:30,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 23:13:30,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 23:13:30,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 23:13:30,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 23:13:30,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 23:13:30,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 23:13:30,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 23:13:30,088 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 23:13:30,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 23:13:30,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 23:13:30,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 23:13:30,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 23:13:30,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 23:13:30,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 23:13:30,310 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 23:13:30,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-17 23:13:30,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b7860b6/781d33ecc01e4d9fab67c6361c946121/FLAG1aef7e4e1 [2022-01-17 23:13:30,797 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 23:13:30,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-17 23:13:30,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b7860b6/781d33ecc01e4d9fab67c6361c946121/FLAG1aef7e4e1 [2022-01-17 23:13:30,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b7860b6/781d33ecc01e4d9fab67c6361c946121 [2022-01-17 23:13:30,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 23:13:30,841 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 23:13:30,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 23:13:30,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 23:13:30,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 23:13:30,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 11:13:30" (1/1) ... [2022-01-17 23:13:30,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5e51f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:30, skipping insertion in model container [2022-01-17 23:13:30,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 11:13:30" (1/1) ... [2022-01-17 23:13:30,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 23:13:30,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 23:13:31,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2022-01-17 23:13:31,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 23:13:31,180 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 23:13:31,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2022-01-17 23:13:31,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 23:13:31,252 INFO L208 MainTranslator]: Completed translation [2022-01-17 23:13:31,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31 WrapperNode [2022-01-17 23:13:31,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 23:13:31,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 23:13:31,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 23:13:31,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 23:13:31,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,324 INFO L137 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 377 [2022-01-17 23:13:31,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 23:13:31,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 23:13:31,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 23:13:31,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 23:13:31,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 23:13:31,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 23:13:31,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 23:13:31,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 23:13:31,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (1/1) ... [2022-01-17 23:13:31,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 23:13:31,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 23:13:31,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-17 23:13:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 23:13:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-17 23:13:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 23:13:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 23:13:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 23:13:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-01-17 23:13:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-01-17 23:13:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-01-17 23:13:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-01-17 23:13:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-01-17 23:13:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-01-17 23:13:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 23:13:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-17 23:13:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 23:13:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 23:13:31,448 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 23:13:31,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-17 23:13:31,564 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 23:13:31,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 23:13:32,061 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 23:13:32,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 23:13:32,312 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-17 23:13:32,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 11:13:32 BoogieIcfgContainer [2022-01-17 23:13:32,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 23:13:32,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 23:13:32,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 23:13:32,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 23:13:32,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 11:13:30" (1/3) ... [2022-01-17 23:13:32,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c93774e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 11:13:32, skipping insertion in model container [2022-01-17 23:13:32,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:13:31" (2/3) ... [2022-01-17 23:13:32,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c93774e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 11:13:32, skipping insertion in model container [2022-01-17 23:13:32,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 11:13:32" (3/3) ... [2022-01-17 23:13:32,320 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-17 23:13:32,323 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 23:13:32,323 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 23:13:32,323 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-17 23:13:32,323 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 23:13:32,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,360 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,360 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,360 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,360 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,361 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,364 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,364 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,364 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,364 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,371 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,371 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,371 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,371 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,386 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,386 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,386 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,386 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,386 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,386 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,386 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,387 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,388 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,388 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,388 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,388 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,388 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,388 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,388 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,388 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,388 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,390 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,390 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,391 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,391 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,392 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,395 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,396 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,398 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:13:32,399 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-17 23:13:32,434 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 23:13:32,441 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 [2022-01-17 23:13:32,441 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-17 23:13:32,450 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 115 transitions, 245 flow [2022-01-17 23:13:32,842 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13483 states, 13480 states have (on average 3.556305637982196) internal successors, (47939), 13482 states have internal predecessors, (47939), 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) [2022-01-17 23:13:32,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 13483 states, 13480 states have (on average 3.556305637982196) internal successors, (47939), 13482 states have internal predecessors, (47939), 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) [2022-01-17 23:13:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-17 23:13:32,883 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:32,884 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:32,884 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:32,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:32,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1079008045, now seen corresponding path program 1 times [2022-01-17 23:13:32,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:32,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876957551] [2022-01-17 23:13:32,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:32,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:13:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:13:33,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:13:33,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876957551] [2022-01-17 23:13:33,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876957551] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:13:33,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:13:33,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-17 23:13:33,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167917238] [2022-01-17 23:13:33,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:13:33,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 23:13:33,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:13:33,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 23:13:33,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 23:13:33,212 INFO L87 Difference]: Start difference. First operand has 13483 states, 13480 states have (on average 3.556305637982196) internal successors, (47939), 13482 states have internal predecessors, (47939), 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 26.0) internal successors, (52), 3 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) [2022-01-17 23:13:33,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:13:33,501 INFO L93 Difference]: Finished difference Result 11523 states and 40056 transitions. [2022-01-17 23:13:33,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 23:13:33,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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 52 [2022-01-17 23:13:33,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:13:33,583 INFO L225 Difference]: With dead ends: 11523 [2022-01-17 23:13:33,583 INFO L226 Difference]: Without dead ends: 9675 [2022-01-17 23:13:33,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 23:13:33,588 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 46 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:13:33,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 164 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:13:33,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9675 states. [2022-01-17 23:13:33,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9675 to 9675. [2022-01-17 23:13:33,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9675 states, 9674 states have (on average 3.502894356005789) internal successors, (33887), 9674 states have internal predecessors, (33887), 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) [2022-01-17 23:13:34,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9675 states to 9675 states and 33887 transitions. [2022-01-17 23:13:34,020 INFO L78 Accepts]: Start accepts. Automaton has 9675 states and 33887 transitions. Word has length 52 [2022-01-17 23:13:34,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:13:34,021 INFO L470 AbstractCegarLoop]: Abstraction has 9675 states and 33887 transitions. [2022-01-17 23:13:34,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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) [2022-01-17 23:13:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 9675 states and 33887 transitions. [2022-01-17 23:13:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-01-17 23:13:34,097 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:34,097 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:34,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 23:13:34,098 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:34,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:34,099 INFO L85 PathProgramCache]: Analyzing trace with hash 441085771, now seen corresponding path program 1 times [2022-01-17 23:13:34,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:34,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796294109] [2022-01-17 23:13:34,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:34,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:13:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:13:34,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:13:34,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796294109] [2022-01-17 23:13:34,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796294109] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:13:34,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:13:34,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 23:13:34,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24035531] [2022-01-17 23:13:34,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:13:34,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-17 23:13:34,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:13:34,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-17 23:13:34,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-17 23:13:34,324 INFO L87 Difference]: Start difference. First operand 9675 states and 33887 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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) [2022-01-17 23:13:34,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:13:34,637 INFO L93 Difference]: Finished difference Result 11019 states and 38287 transitions. [2022-01-17 23:13:34,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 23:13:34,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 74 [2022-01-17 23:13:34,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:13:34,685 INFO L225 Difference]: With dead ends: 11019 [2022-01-17 23:13:34,685 INFO L226 Difference]: Without dead ends: 8499 [2022-01-17 23:13:34,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-01-17 23:13:34,693 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 130 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 23:13:34,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 519 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 23:13:34,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8499 states. [2022-01-17 23:13:34,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8499 to 8499. [2022-01-17 23:13:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8499 states, 8498 states have (on average 3.471169686985173) internal successors, (29498), 8498 states have internal predecessors, (29498), 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) [2022-01-17 23:13:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8499 states to 8499 states and 29498 transitions. [2022-01-17 23:13:34,950 INFO L78 Accepts]: Start accepts. Automaton has 8499 states and 29498 transitions. Word has length 74 [2022-01-17 23:13:34,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:13:34,951 INFO L470 AbstractCegarLoop]: Abstraction has 8499 states and 29498 transitions. [2022-01-17 23:13:34,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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) [2022-01-17 23:13:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 8499 states and 29498 transitions. [2022-01-17 23:13:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-17 23:13:34,964 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:34,964 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:34,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 23:13:34,964 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:34,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:34,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1768988568, now seen corresponding path program 1 times [2022-01-17 23:13:34,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:34,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483258436] [2022-01-17 23:13:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:34,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:13:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:13:35,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:13:35,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483258436] [2022-01-17 23:13:35,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483258436] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:13:35,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:13:35,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 23:13:35,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446700278] [2022-01-17 23:13:35,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:13:35,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-17 23:13:35,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:13:35,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-17 23:13:35,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-17 23:13:35,192 INFO L87 Difference]: Start difference. First operand 8499 states and 29498 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2022-01-17 23:13:35,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:13:35,503 INFO L93 Difference]: Finished difference Result 9591 states and 33066 transitions. [2022-01-17 23:13:35,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 23:13:35,504 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 77 [2022-01-17 23:13:35,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:13:35,528 INFO L225 Difference]: With dead ends: 9591 [2022-01-17 23:13:35,528 INFO L226 Difference]: Without dead ends: 7911 [2022-01-17 23:13:35,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-01-17 23:13:35,529 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 112 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:13:35,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 507 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:13:35,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7911 states. [2022-01-17 23:13:35,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7911 to 7911. [2022-01-17 23:13:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7911 states, 7910 states have (on average 3.454867256637168) internal successors, (27328), 7910 states have internal predecessors, (27328), 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) [2022-01-17 23:13:35,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7911 states to 7911 states and 27328 transitions. [2022-01-17 23:13:35,713 INFO L78 Accepts]: Start accepts. Automaton has 7911 states and 27328 transitions. Word has length 77 [2022-01-17 23:13:35,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:13:35,714 INFO L470 AbstractCegarLoop]: Abstraction has 7911 states and 27328 transitions. [2022-01-17 23:13:35,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2022-01-17 23:13:35,714 INFO L276 IsEmpty]: Start isEmpty. Operand 7911 states and 27328 transitions. [2022-01-17 23:13:35,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-01-17 23:13:35,802 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:35,803 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:35,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 23:13:35,803 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:35,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:35,804 INFO L85 PathProgramCache]: Analyzing trace with hash 885034967, now seen corresponding path program 1 times [2022-01-17 23:13:35,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:35,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463375634] [2022-01-17 23:13:35,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:35,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:13:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:13:35,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:13:35,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463375634] [2022-01-17 23:13:35,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463375634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:13:35,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:13:35,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-17 23:13:35,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354390954] [2022-01-17 23:13:35,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:13:35,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-17 23:13:35,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:13:35,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-17 23:13:35,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-17 23:13:35,933 INFO L87 Difference]: Start difference. First operand 7911 states and 27328 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2022-01-17 23:13:36,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:13:36,174 INFO L93 Difference]: Finished difference Result 11637 states and 40111 transitions. [2022-01-17 23:13:36,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-17 23:13:36,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 79 [2022-01-17 23:13:36,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:13:36,193 INFO L225 Difference]: With dead ends: 11637 [2022-01-17 23:13:36,193 INFO L226 Difference]: Without dead ends: 5799 [2022-01-17 23:13:36,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-01-17 23:13:36,199 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 213 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:13:36,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 507 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:13:36,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5799 states. [2022-01-17 23:13:36,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5799 to 5799. [2022-01-17 23:13:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5799 states, 5798 states have (on average 3.4135908934115213) internal successors, (19792), 5798 states have internal predecessors, (19792), 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) [2022-01-17 23:13:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5799 states to 5799 states and 19792 transitions. [2022-01-17 23:13:36,338 INFO L78 Accepts]: Start accepts. Automaton has 5799 states and 19792 transitions. Word has length 79 [2022-01-17 23:13:36,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:13:36,339 INFO L470 AbstractCegarLoop]: Abstraction has 5799 states and 19792 transitions. [2022-01-17 23:13:36,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2022-01-17 23:13:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5799 states and 19792 transitions. [2022-01-17 23:13:36,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-17 23:13:36,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:36,355 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:36,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-17 23:13:36,355 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:36,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:36,357 INFO L85 PathProgramCache]: Analyzing trace with hash -21517738, now seen corresponding path program 1 times [2022-01-17 23:13:36,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:36,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227556886] [2022-01-17 23:13:36,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:36,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:13:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:13:36,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:13:36,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227556886] [2022-01-17 23:13:36,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227556886] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:13:36,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:13:36,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 23:13:36,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189622954] [2022-01-17 23:13:36,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:13:36,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-17 23:13:36,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:13:36,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-17 23:13:36,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-17 23:13:36,554 INFO L87 Difference]: Start difference. First operand 5799 states and 19792 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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) [2022-01-17 23:13:36,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:13:36,727 INFO L93 Difference]: Finished difference Result 6981 states and 23409 transitions. [2022-01-17 23:13:36,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 23:13:36,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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 81 [2022-01-17 23:13:36,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:13:36,742 INFO L225 Difference]: With dead ends: 6981 [2022-01-17 23:13:36,742 INFO L226 Difference]: Without dead ends: 5001 [2022-01-17 23:13:36,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-01-17 23:13:36,743 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 175 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:13:36,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 378 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:13:36,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5001 states. [2022-01-17 23:13:36,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5001 to 5001. [2022-01-17 23:13:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5001 states, 5000 states have (on average 3.3392) internal successors, (16696), 5000 states have internal predecessors, (16696), 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) [2022-01-17 23:13:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 5001 states and 16696 transitions. [2022-01-17 23:13:36,832 INFO L78 Accepts]: Start accepts. Automaton has 5001 states and 16696 transitions. Word has length 81 [2022-01-17 23:13:36,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:13:36,833 INFO L470 AbstractCegarLoop]: Abstraction has 5001 states and 16696 transitions. [2022-01-17 23:13:36,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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) [2022-01-17 23:13:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 16696 transitions. [2022-01-17 23:13:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-01-17 23:13:36,842 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:36,842 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:36,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-17 23:13:36,842 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:36,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:36,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1794795947, now seen corresponding path program 1 times [2022-01-17 23:13:36,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:36,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871917937] [2022-01-17 23:13:36,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:36,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:13:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:13:36,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:13:36,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871917937] [2022-01-17 23:13:36,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871917937] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:13:36,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:13:36,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-17 23:13:36,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964647039] [2022-01-17 23:13:36,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:13:36,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-17 23:13:36,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:13:36,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-17 23:13:36,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-17 23:13:36,950 INFO L87 Difference]: Start difference. First operand 5001 states and 16696 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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) [2022-01-17 23:13:37,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:13:37,134 INFO L93 Difference]: Finished difference Result 4776 states and 15460 transitions. [2022-01-17 23:13:37,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-17 23:13:37,135 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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 83 [2022-01-17 23:13:37,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:13:37,143 INFO L225 Difference]: With dead ends: 4776 [2022-01-17 23:13:37,143 INFO L226 Difference]: Without dead ends: 3216 [2022-01-17 23:13:37,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-01-17 23:13:37,144 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 287 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:13:37,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 413 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:13:37,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3216 states. [2022-01-17 23:13:37,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3216 to 3216. [2022-01-17 23:13:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3216 states, 3215 states have (on average 3.1723172628304823) internal successors, (10199), 3215 states have internal predecessors, (10199), 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) [2022-01-17 23:13:37,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 10199 transitions. [2022-01-17 23:13:37,233 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 10199 transitions. Word has length 83 [2022-01-17 23:13:37,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:13:37,233 INFO L470 AbstractCegarLoop]: Abstraction has 3216 states and 10199 transitions. [2022-01-17 23:13:37,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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) [2022-01-17 23:13:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 10199 transitions. [2022-01-17 23:13:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-01-17 23:13:37,239 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:37,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:37,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-17 23:13:37,240 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:37,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:37,240 INFO L85 PathProgramCache]: Analyzing trace with hash -311441304, now seen corresponding path program 1 times [2022-01-17 23:13:37,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:37,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537820070] [2022-01-17 23:13:37,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:37,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:13:37,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:13:37,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:13:37,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537820070] [2022-01-17 23:13:37,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537820070] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:13:37,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:13:37,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-17 23:13:37,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880119459] [2022-01-17 23:13:37,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:13:37,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-17 23:13:37,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:13:37,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-17 23:13:37,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:13:37,381 INFO L87 Difference]: Start difference. First operand 3216 states and 10199 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2022-01-17 23:13:37,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:13:37,567 INFO L93 Difference]: Finished difference Result 2496 states and 7727 transitions. [2022-01-17 23:13:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-17 23:13:37,568 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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 86 [2022-01-17 23:13:37,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:13:37,573 INFO L225 Difference]: With dead ends: 2496 [2022-01-17 23:13:37,573 INFO L226 Difference]: Without dead ends: 1776 [2022-01-17 23:13:37,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-01-17 23:13:37,574 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 339 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:13:37,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [339 Valid, 433 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:13:37,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2022-01-17 23:13:37,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1776. [2022-01-17 23:13:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1775 states have (on average 3.0416901408450703) internal successors, (5399), 1775 states have internal predecessors, (5399), 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) [2022-01-17 23:13:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 5399 transitions. [2022-01-17 23:13:37,605 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 5399 transitions. Word has length 86 [2022-01-17 23:13:37,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:13:37,605 INFO L470 AbstractCegarLoop]: Abstraction has 1776 states and 5399 transitions. [2022-01-17 23:13:37,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2022-01-17 23:13:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 5399 transitions. [2022-01-17 23:13:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-01-17 23:13:37,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:37,609 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:37,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-17 23:13:37,609 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:37,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:37,610 INFO L85 PathProgramCache]: Analyzing trace with hash 263408430, now seen corresponding path program 1 times [2022-01-17 23:13:37,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:37,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178930395] [2022-01-17 23:13:37,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:37,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:13:37,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:13:37,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:13:37,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178930395] [2022-01-17 23:13:37,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178930395] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:13:37,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:13:37,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-17 23:13:37,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733087640] [2022-01-17 23:13:37,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:13:37,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-17 23:13:37,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:13:37,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-17 23:13:37,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-01-17 23:13:37,930 INFO L87 Difference]: Start difference. First operand 1776 states and 5399 transitions. Second operand has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 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) [2022-01-17 23:13:38,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:13:38,233 INFO L93 Difference]: Finished difference Result 3789 states and 11616 transitions. [2022-01-17 23:13:38,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-17 23:13:38,235 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 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 89 [2022-01-17 23:13:38,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:13:38,241 INFO L225 Difference]: With dead ends: 3789 [2022-01-17 23:13:38,242 INFO L226 Difference]: Without dead ends: 3054 [2022-01-17 23:13:38,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2022-01-17 23:13:38,242 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 202 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:13:38,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 956 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:13:38,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2022-01-17 23:13:38,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 1848. [2022-01-17 23:13:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1848 states, 1847 states have (on average 3.0173253925284245) internal successors, (5573), 1847 states have internal predecessors, (5573), 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) [2022-01-17 23:13:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 5573 transitions. [2022-01-17 23:13:38,284 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 5573 transitions. Word has length 89 [2022-01-17 23:13:38,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:13:38,284 INFO L470 AbstractCegarLoop]: Abstraction has 1848 states and 5573 transitions. [2022-01-17 23:13:38,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 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) [2022-01-17 23:13:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 5573 transitions. [2022-01-17 23:13:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-01-17 23:13:38,288 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:38,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:38,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-17 23:13:38,288 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:38,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:38,289 INFO L85 PathProgramCache]: Analyzing trace with hash -28387924, now seen corresponding path program 2 times [2022-01-17 23:13:38,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:38,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750061965] [2022-01-17 23:13:38,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:38,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:13:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:13:38,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:13:38,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750061965] [2022-01-17 23:13:38,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750061965] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:13:38,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:13:38,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-01-17 23:13:38,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819110846] [2022-01-17 23:13:38,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:13:38,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-17 23:13:38,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:13:38,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-17 23:13:38,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-01-17 23:13:38,676 INFO L87 Difference]: Start difference. First operand 1848 states and 5573 transitions. Second operand has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 15 states have internal predecessors, (89), 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) [2022-01-17 23:13:38,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:13:38,866 INFO L93 Difference]: Finished difference Result 2499 states and 7531 transitions. [2022-01-17 23:13:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-17 23:13:38,867 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 15 states have internal predecessors, (89), 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 89 [2022-01-17 23:13:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:13:38,870 INFO L225 Difference]: With dead ends: 2499 [2022-01-17 23:13:38,870 INFO L226 Difference]: Without dead ends: 1564 [2022-01-17 23:13:38,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-01-17 23:13:38,871 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 225 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:13:38,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 1083 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:13:38,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2022-01-17 23:13:38,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1492. [2022-01-17 23:13:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1491 states have (on average 3.006706908115359) internal successors, (4483), 1491 states have internal predecessors, (4483), 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) [2022-01-17 23:13:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 4483 transitions. [2022-01-17 23:13:38,898 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 4483 transitions. Word has length 89 [2022-01-17 23:13:38,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:13:38,898 INFO L470 AbstractCegarLoop]: Abstraction has 1492 states and 4483 transitions. [2022-01-17 23:13:38,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 15 states have internal predecessors, (89), 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) [2022-01-17 23:13:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 4483 transitions. [2022-01-17 23:13:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-01-17 23:13:38,901 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:13:38,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:38,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-17 23:13:38,901 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-01-17 23:13:38,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:13:38,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2004095762, now seen corresponding path program 3 times [2022-01-17 23:13:38,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:13:38,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488441455] [2022-01-17 23:13:38,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:13:38,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:13:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 23:13:38,947 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-17 23:13:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 23:13:39,040 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-17 23:13:39,040 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-17 23:13:39,041 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-17 23:13:39,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-01-17 23:13:39,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2022-01-17 23:13:39,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-01-17 23:13:39,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2022-01-17 23:13:39,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-17 23:13:39,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-17 23:13:39,044 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 23:13:39,047 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 23:13:39,047 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 23:13:39,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 11:13:39 BasicIcfg [2022-01-17 23:13:39,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 23:13:39,153 INFO L158 Benchmark]: Toolchain (without parser) took 8312.17ms. Allocated memory was 390.1MB in the beginning and 3.3GB in the end (delta: 2.9GB). Free memory was 332.0MB in the beginning and 2.6GB in the end (delta: -2.3GB). Peak memory consumption was 631.3MB. Max. memory is 16.0GB. [2022-01-17 23:13:39,153 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 390.1MB. Free memory is still 349.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 23:13:39,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.04ms. Allocated memory was 390.1MB in the beginning and 499.1MB in the end (delta: 109.1MB). Free memory was 331.8MB in the beginning and 456.1MB in the end (delta: -124.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.0GB. [2022-01-17 23:13:39,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.18ms. Allocated memory is still 499.1MB. Free memory was 456.1MB in the beginning and 451.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2022-01-17 23:13:39,154 INFO L158 Benchmark]: Boogie Preprocessor took 56.06ms. Allocated memory is still 499.1MB. Free memory was 451.9MB in the beginning and 449.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 23:13:39,154 INFO L158 Benchmark]: RCFGBuilder took 932.43ms. Allocated memory is still 499.1MB. Free memory was 449.6MB in the beginning and 337.6MB in the end (delta: 111.9MB). Peak memory consumption was 111.1MB. Max. memory is 16.0GB. [2022-01-17 23:13:39,155 INFO L158 Benchmark]: TraceAbstraction took 6837.84ms. Allocated memory was 499.1MB in the beginning and 3.3GB in the end (delta: 2.8GB). Free memory was 336.6MB in the beginning and 2.6GB in the end (delta: -2.3GB). Peak memory consumption was 526.1MB. Max. memory is 16.0GB. [2022-01-17 23:13:39,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 390.1MB. Free memory is still 349.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 410.04ms. Allocated memory was 390.1MB in the beginning and 499.1MB in the end (delta: 109.1MB). Free memory was 331.8MB in the beginning and 456.1MB in the end (delta: -124.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 71.18ms. Allocated memory is still 499.1MB. Free memory was 456.1MB in the beginning and 451.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 56.06ms. Allocated memory is still 499.1MB. Free memory was 451.9MB in the beginning and 449.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 932.43ms. Allocated memory is still 499.1MB. Free memory was 449.6MB in the beginning and 337.6MB in the end (delta: 111.9MB). Peak memory consumption was 111.1MB. Max. memory is 16.0GB. * TraceAbstraction took 6837.84ms. Allocated memory was 499.1MB in the beginning and 3.3GB in the end (delta: 2.8GB). Free memory was 336.6MB in the beginning and 2.6GB in the end (delta: -2.3GB). Peak memory consumption was 526.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L715] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L716] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L717] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L719] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L721] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L722] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L723] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L724] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L725] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L726] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L727] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L728] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L729] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L730] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L731] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L732] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L733] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L734] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L735] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L736] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L737] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L833] 0 pthread_t t1687; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1687={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L834] FCALL, FORK 0 pthread_create(&t1687, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1687, ((void *)0), P0, ((void *)0))=-2, t1687={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L835] 0 pthread_t t1688; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1687={5:0}, t1688={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L836] FCALL, FORK 0 pthread_create(&t1688, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1688, ((void *)0), P1, ((void *)0))=-1, t1687={5:0}, t1688={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L763] 2 y$w_buff1 = y$w_buff0 [L764] 2 y$w_buff0 = 2 [L765] 2 y$w_buff1_used = y$w_buff0_used [L766] 2 y$w_buff0_used = (_Bool)1 [L767] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L767] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L768] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L769] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L770] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L771] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L772] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 y$flush_delayed = weak$$choice2 [L778] 2 y$mem_tmp = y [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L779] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L780] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L780] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L781] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L781] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L782] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L782] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L783] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L784] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L785] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EAX = y [L787] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L787] 2 y = y$flush_delayed ? y$mem_tmp : y [L788] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L791] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L837] 0 pthread_t t1689; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1687={5:0}, t1688={6:0}, t1689={3:0}, weak$$choice0=51, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L838] FCALL, FORK 0 pthread_create(&t1689, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1689, ((void *)0), P2, ((void *)0))=0, t1687={5:0}, t1688={6:0}, t1689={3:0}, weak$$choice0=51, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L808] 3 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L743] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L746] 1 y = 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L749] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L749] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L750] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L751] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L752] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L753] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L794] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L794] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L795] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L795] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L796] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L797] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L797] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L798] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L798] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1687={5:0}, t1688={6:0}, t1689={3:0}, weak$$choice0=51, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L842] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L842] RET 0 assume_abort_if_not(main$tmp_guard0) [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L845] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L845] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L846] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L846] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L847] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L847] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L848] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L848] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L851] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L852] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L853] 0 y$flush_delayed = weak$$choice2 [L854] 0 y$mem_tmp = y [L855] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L855] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L856] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L856] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L857] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L857] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L858] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L858] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L859] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L859] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L860] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L860] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L861] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L861] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L863] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L863] 0 y = y$flush_delayed ? y$mem_tmp : y [L864] 0 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1687={5:0}, t1688={6:0}, t1689={3:0}, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L866] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 142 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1729 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1729 mSDsluCounter, 4960 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4314 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1061 IncrementalHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 1059 mSDtfsCounter, 1061 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13483occurred in iteration=0, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1278 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 799 NumberOfCodeBlocks, 799 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 701 ConstructedInterpolants, 0 QuantifiedInterpolants, 3771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-17 23:13:39,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...