/usr/bin/java -Xmx8000000000 -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-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 13:06:17,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 13:06:17,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 13:06:17,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 13:06:17,199 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-POR-Persistent-NoLbe.epf [2021-08-07 13:06:17,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 13:06:17,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 13:06:17,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 13:06:17,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 13:06:17,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 13:06:17,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 13:06:17,232 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 13:06:17,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 13:06:17,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 13:06:17,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 13:06:17,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 13:06:17,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 13:06:17,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 13:06:17,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 13:06:17,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 13:06:17,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 13:06:17,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 13:06:17,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 13:06:17,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 13:06:17,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 13:06:17,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 13:06:17,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 13:06:17,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 13:06:17,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 13:06:17,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 13:06:17,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 13:06:17,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 13:06:17,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 13:06:17,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 13:06:17,235 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 13:06:17,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 13:06:17,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 13:06:17,236 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-08-07 13:06:17,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 13:06:17,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 13:06:17,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 13:06:17,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 13:06:17,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 13:06:17,489 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 13:06:17,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-08-07 13:06:17,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6001c08/59c67061def74c9ea0c8b311a18d30ae/FLAGc066d8770 [2021-08-07 13:06:17,934 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 13:06:17,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-08-07 13:06:17,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6001c08/59c67061def74c9ea0c8b311a18d30ae/FLAGc066d8770 [2021-08-07 13:06:17,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6001c08/59c67061def74c9ea0c8b311a18d30ae [2021-08-07 13:06:17,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 13:06:17,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 13:06:17,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 13:06:17,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 13:06:17,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 13:06:17,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:06:17" (1/1) ... [2021-08-07 13:06:17,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a834632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:17, skipping insertion in model container [2021-08-07 13:06:17,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:06:17" (1/1) ... [2021-08-07 13:06:17,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 13:06:18,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 13:06:18,158 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-07 13:06:18,632 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-08-07 13:06:18,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 13:06:18,663 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 13:06:18,671 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-07 13:06:18,700 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-08-07 13:06:18,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 13:06:18,790 INFO L208 MainTranslator]: Completed translation [2021-08-07 13:06:18,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18 WrapperNode [2021-08-07 13:06:18,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 13:06:18,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 13:06:18,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 13:06:18,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 13:06:18,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 13:06:18,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 13:06:18,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 13:06:18,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 13:06:18,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 13:06:18,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 13:06:18,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 13:06:18,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 13:06:18,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (1/1) ... [2021-08-07 13:06:18,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 13:06:18,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 13:06:18,896 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) [2021-08-07 13:06:18,898 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 [2021-08-07 13:06:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 13:06:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 13:06:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 13:06:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-07 13:06:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-07 13:06:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 13:06:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 13:06:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-08-07 13:06:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-08-07 13:06:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 13:06:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 13:06:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 13:06:18,924 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 13:06:19,379 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 13:06:19,379 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-08-07 13:06:19,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 01:06:19 BoogieIcfgContainer [2021-08-07 13:06:19,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 13:06:19,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 13:06:19,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 13:06:19,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 13:06:19,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 01:06:17" (1/3) ... [2021-08-07 13:06:19,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce4d517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 01:06:19, skipping insertion in model container [2021-08-07 13:06:19,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:06:18" (2/3) ... [2021-08-07 13:06:19,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce4d517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 01:06:19, skipping insertion in model container [2021-08-07 13:06:19,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 01:06:19" (3/3) ... [2021-08-07 13:06:19,387 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2021-08-07 13:06:19,390 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 13:06:19,390 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 13:06:19,390 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-08-07 13:06:19,390 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 13:06:19,426 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,427 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,427 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,427 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,428 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,428 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,428 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,428 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,428 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,428 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,428 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,428 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,428 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,429 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,429 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,429 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,429 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,429 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,429 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,429 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,429 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,430 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,430 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,430 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,430 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,430 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,430 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,431 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,431 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,431 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,431 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,432 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,432 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,432 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,432 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,432 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,432 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,433 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,433 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,433 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,433 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,433 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,433 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,433 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,433 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,433 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,434 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,434 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,434 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,434 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,434 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,434 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,434 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,434 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,435 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,436 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,436 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,436 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,436 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,436 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,436 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,436 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,436 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,436 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,437 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,437 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,437 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,437 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,437 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,437 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,438 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,438 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,439 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,439 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,439 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,440 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,440 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,443 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,444 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,445 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,449 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,450 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,450 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,450 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,450 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,450 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,450 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,453 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,453 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,453 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,454 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,454 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 13:06:19,464 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-07 13:06:19,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 13:06:19,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 13:06:19,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 13:06:19,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 13:06:19,559 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 13:06:19,565 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 13:06:19,565 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-07 13:06:19,598 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:19,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:19,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1634489351, now seen corresponding path program 1 times [2021-08-07 13:06:19,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:19,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538021541] [2021-08-07 13:06:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:19,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 13:06:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 13:06:19,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 13:06:19,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538021541] [2021-08-07 13:06:19,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538021541] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 13:06:19,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 13:06:19,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 13:06:19,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751213597] [2021-08-07 13:06:19,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 13:06:19,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 13:06:19,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 13:06:19,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 13:06:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:19,974 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 13:06:19,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 13:06:19,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:20,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:20,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 13:06:20,069 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:20,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:20,071 INFO L82 PathProgramCache]: Analyzing trace with hash 2071666643, now seen corresponding path program 1 times [2021-08-07 13:06:20,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:20,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366817922] [2021-08-07 13:06:20,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:20,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 13:06:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 13:06:20,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 13:06:20,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366817922] [2021-08-07 13:06:20,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366817922] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 13:06:20,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 13:06:20,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 13:06:20,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341204230] [2021-08-07 13:06:20,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 13:06:20,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 13:06:20,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 13:06:20,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 13:06:20,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:20,202 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 13:06:20,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 13:06:20,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:20,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:20,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:20,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:20,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 13:06:20,316 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:20,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:20,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1744810852, now seen corresponding path program 1 times [2021-08-07 13:06:20,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:20,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305211385] [2021-08-07 13:06:20,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:20,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 13:06:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 13:06:20,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 13:06:20,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305211385] [2021-08-07 13:06:20,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305211385] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 13:06:20,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 13:06:20,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 13:06:20,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088602901] [2021-08-07 13:06:20,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 13:06:20,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 13:06:20,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 13:06:20,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 13:06:20,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:20,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 13:06:20,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 13:06:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:20,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 13:06:20,484 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:20,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:20,484 INFO L82 PathProgramCache]: Analyzing trace with hash -478651348, now seen corresponding path program 1 times [2021-08-07 13:06:20,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:20,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279082964] [2021-08-07 13:06:20,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:20,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 13:06:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 13:06:20,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 13:06:20,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279082964] [2021-08-07 13:06:20,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279082964] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 13:06:20,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 13:06:20,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 13:06:20,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724950592] [2021-08-07 13:06:20,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 13:06:20,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 13:06:20,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 13:06:20,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 13:06:20,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:20,583 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 13:06:20,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 13:06:20,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:20,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:20,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:20,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:31,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:31,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:31,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 13:06:31,769 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:31,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:31,770 INFO L82 PathProgramCache]: Analyzing trace with hash 832113835, now seen corresponding path program 1 times [2021-08-07 13:06:31,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:31,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517914290] [2021-08-07 13:06:31,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:31,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 13:06:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 13:06:32,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 13:06:32,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517914290] [2021-08-07 13:06:32,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517914290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 13:06:32,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 13:06:32,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-07 13:06:32,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887127713] [2021-08-07 13:06:32,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 13:06:32,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 13:06:32,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 13:06:32,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-07 13:06:32,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:32,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 13:06:32,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 13:06:32,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:32,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:32,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:32,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:32,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:32,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:32,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:32,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:32,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 13:06:32,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 13:06:32,935 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:32,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:32,936 INFO L82 PathProgramCache]: Analyzing trace with hash 2064591173, now seen corresponding path program 1 times [2021-08-07 13:06:32,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:32,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333712877] [2021-08-07 13:06:32,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:32,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 13:06:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 13:06:33,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 13:06:33,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333712877] [2021-08-07 13:06:33,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333712877] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 13:06:33,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 13:06:33,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-08-07 13:06:33,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817138499] [2021-08-07 13:06:33,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-07 13:06:33,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 13:06:33,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-07 13:06:33,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-08-07 13:06:33,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:33,961 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 13:06:33,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 13:06:33,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:33,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:33,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:33,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:33,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 13:06:33,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 13:06:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 13:06:41,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 13:06:41,554 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:41,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:41,555 INFO L82 PathProgramCache]: Analyzing trace with hash 120507819, now seen corresponding path program 2 times [2021-08-07 13:06:41,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:41,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198724806] [2021-08-07 13:06:41,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:41,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 13:06:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 13:06:42,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 13:06:42,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198724806] [2021-08-07 13:06:42,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198724806] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 13:06:42,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 13:06:42,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-08-07 13:06:42,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593350139] [2021-08-07 13:06:42,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-07 13:06:42,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 13:06:42,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-07 13:06:42,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-08-07 13:06:42,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:42,538 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 13:06:42,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 13:06:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 13:06:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 13:06:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 13:06:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 13:06:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 13:06:46,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-07 13:06:46,429 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:46,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:46,429 INFO L82 PathProgramCache]: Analyzing trace with hash 2105231105, now seen corresponding path program 3 times [2021-08-07 13:06:46,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:46,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069134889] [2021-08-07 13:06:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:46,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 13:06:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 13:06:47,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 13:06:47,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069134889] [2021-08-07 13:06:47,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069134889] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 13:06:47,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 13:06:47,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-08-07 13:06:47,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019694504] [2021-08-07 13:06:47,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-07 13:06:47,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 13:06:47,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-07 13:06:47,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-08-07 13:06:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:47,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 13:06:47,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 13:06:47,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:47,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:47,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:47,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:47,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 13:06:47,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 13:06:47,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 13:06:47,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 13:06:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 13:06:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 13:06:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-07 13:06:49,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-07 13:06:49,702 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:49,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:49,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1099991757, now seen corresponding path program 2 times [2021-08-07 13:06:49,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:49,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990351073] [2021-08-07 13:06:49,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:49,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 13:06:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 13:06:50,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 13:06:50,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990351073] [2021-08-07 13:06:50,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990351073] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 13:06:50,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 13:06:50,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-07 13:06:50,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764135548] [2021-08-07 13:06:50,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-07 13:06:50,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 13:06:50,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-07 13:06:50,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-07 13:06:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:50,186 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 13:06:50,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 13:06:50,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:50,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:50,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:50,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:50,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 13:06:50,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 13:06:50,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-07 13:06:50,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-07 13:06:50,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 13:06:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 13:06:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 13:06:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 13:06:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 13:06:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 13:06:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 13:06:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-07 13:06:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 13:06:54,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-07 13:06:54,530 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-07 13:06:54,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 13:06:54,531 INFO L82 PathProgramCache]: Analyzing trace with hash -987424673, now seen corresponding path program 4 times [2021-08-07 13:06:54,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 13:06:54,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728582186] [2021-08-07 13:06:54,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 13:06:54,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 13:06:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 13:06:54,559 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-07 13:06:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 13:06:54,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-07 13:06:54,647 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-07 13:06:54,648 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 13:06:54,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 13:06:54,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 13:06:54,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 13:06:54,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 13:06:54,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 13:06:54,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 13:06:54,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 13:06:54,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-07 13:06:54,657 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 13:06:54,657 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 13:06:54,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 01:06:54 BasicIcfg [2021-08-07 13:06:54,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 13:06:54,738 INFO L168 Benchmark]: Toolchain (without parser) took 36756.58 ms. Allocated memory was 207.6 MB in the beginning and 249.6 MB in the end (delta: 41.9 MB). Free memory was 168.4 MB in the beginning and 107.3 MB in the end (delta: 61.2 MB). Peak memory consumption was 102.8 MB. Max. memory is 8.0 GB. [2021-08-07 13:06:54,738 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 207.6 MB. Free memory is still 188.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 13:06:54,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.53 ms. Allocated memory is still 207.6 MB. Free memory was 168.2 MB in the beginning and 147.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-08-07 13:06:54,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.74 ms. Allocated memory is still 207.6 MB. Free memory was 147.6 MB in the beginning and 144.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-07 13:06:54,739 INFO L168 Benchmark]: Boogie Preprocessor took 29.56 ms. Allocated memory is still 207.6 MB. Free memory was 144.4 MB in the beginning and 141.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-07 13:06:54,739 INFO L168 Benchmark]: RCFGBuilder took 510.39 ms. Allocated memory is still 207.6 MB. Free memory was 141.8 MB in the beginning and 92.5 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2021-08-07 13:06:54,739 INFO L168 Benchmark]: TraceAbstraction took 35355.64 ms. Allocated memory was 207.6 MB in the beginning and 249.6 MB in the end (delta: 41.9 MB). Free memory was 92.0 MB in the beginning and 107.3 MB in the end (delta: -15.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. [2021-08-07 13:06:54,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 207.6 MB. Free memory is still 188.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 806.53 ms. Allocated memory is still 207.6 MB. Free memory was 168.2 MB in the beginning and 147.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 47.74 ms. Allocated memory is still 207.6 MB. Free memory was 147.6 MB in the beginning and 144.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.56 ms. Allocated memory is still 207.6 MB. Free memory was 144.4 MB in the beginning and 141.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 510.39 ms. Allocated memory is still 207.6 MB. Free memory was 141.8 MB in the beginning and 92.5 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35355.64 ms. Allocated memory was 207.6 MB in the beginning and 249.6 MB in the end (delta: 41.9 MB). Free memory was 92.0 MB in the beginning and 107.3 MB in the end (delta: -15.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21158, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 344, negative conditional: 0, negative unconditional: 344, unknown: 20814, unknown conditional: 0, unknown unconditional: 20814] ], Cache Queries: [ total: 1380, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1380, unknown conditional: 0, unknown unconditional: 1380] , Statistics on independence cache: Total cache size (in pairs): 1380, Positive cache size: 1346, Positive conditional cache size: 0, Positive unconditional cache size: 1346, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 21195, Number of persistent set computation: 226, Number of trivial persistent sets: 226, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1380, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21158, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 344, negative conditional: 0, negative unconditional: 344, unknown: 20814, unknown conditional: 0, unknown unconditional: 20814] ], Cache Queries: [ total: 1380, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1380, unknown conditional: 0, unknown unconditional: 1380] , Statistics on independence cache: Total cache size (in pairs): 1380, Positive cache size: 1346, Positive conditional cache size: 0, Positive unconditional cache size: 1346, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={7:0}, t2={8:0}] [L1688] 0 struct device *my_dev; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1727] 0 return 0; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1733] 0 int ret = my_drv_init(); VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1734] COND TRUE 0 ret==0 VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1735] 0 int probe_ret; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1736] 0 struct my_data data; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1705] 0 data->shared.a = 0 VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1706] 0 data->shared.b = 0 VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1707] 0 data->shared.a VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1708] 0 data->shared.b VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1709] 0 int res = __VERIFIER_nondet_int(); VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1710] COND FALSE 0 !(\read(res)) VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1712] 0 my_dev = &data->dev VAL [my_dev={9:24}, t1={7:0}, t2={8:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1715] 0 return 0; VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1737] 0 probe_ret = my_drv_probe(&data) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1738] COND TRUE 0 probe_ret==0 VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1721] 0 void *status; VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1722] 0 \read(t1) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1690] 2 struct my_data *data; VAL [arg={0:0}, arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1693] 2 data->shared.a = 1 VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1690] 1 struct my_data *data; VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1699] 2 data->shared.b = lb + 1 VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1699] 1 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1740] 0 data.shared.a VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1741] 0 data.shared.b VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1675] COND TRUE 0 !expression VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 164 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 35152.5ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.6ms, PartialOrderReductionTime: 30289.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 29.3ms SsaConstructionTime, 264.6ms SatisfiabilityAnalysisTime, 4139.1ms InterpolantComputationTime, 858 NumberOfCodeBlocks, 858 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 10201 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! [2021-08-07 13:06:54,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 13:06:54,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...