/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-NewStatesSleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 05:39:14,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 05:39:14,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 05:39:14,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-22 05:39:14,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-22 05:39:14,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-22 05:39:14,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-22 05:39:14,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-22 05:39:14,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-22 05:39:14,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-22 05:39:14,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-22 05:39:14,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-22 05:39:14,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 05:39:14,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 05:39:14,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 05:39:14,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 05:39:14,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 05:39:14,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 05:39:14,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 05:39:14,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 05:39:14,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 05:39:14,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 05:39:14,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 05:39:14,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 05:39:14,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-22 05:39:14,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-22 05:39:14,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-22 05:39:14,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-22 05:39:14,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-22 05:39:14,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-22 05:39:14,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-22 05:39:14,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-22 05:39:14,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-22 05:39:14,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-22 05:39:14,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-22 05:39:14,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-22 05:39:14,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-22 05:39:14,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-22 05:39:14,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 05:39:14,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 05:39:14,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 05:39:14,255 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-NewStatesSleep-NoLbe-Random521.epf [2021-08-22 05:39:14,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 05:39:14,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 05:39:14,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 05:39:14,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 05:39:14,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 05:39:14,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 05:39:14,298 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 05:39:14,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 05:39:14,299 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 05:39:14,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 05:39:14,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 05:39:14,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 05:39:14,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 05:39:14,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 05:39:14,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 05:39:14,300 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 05:39:14,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 05:39:14,301 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 05:39:14,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 05:39:14,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 05:39:14,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 05:39:14,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 05:39:14,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 05:39:14,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 05:39:14,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 05:39:14,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 05:39:14,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 05:39:14,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 05:39:14,302 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-22 05:39:14,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 05:39:14,302 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 05:39:14,302 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 05:39:14,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 05:39:14,303 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 05:39:14,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 05:39:14,303 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 05:39:14,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 05:39:14,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 05:39:14,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 05:39:14,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-22 05:39:14,662 INFO L275 PluginConnector]: CDTParser initialized [2021-08-22 05:39:14,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-08-22 05:39:14,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/443173a92/6f4e3d9fbf7b47ff833773484ef22c84/FLAGbcea46e22 [2021-08-22 05:39:15,263 INFO L306 CDTParser]: Found 1 translation units. [2021-08-22 05:39:15,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-08-22 05:39:15,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/443173a92/6f4e3d9fbf7b47ff833773484ef22c84/FLAGbcea46e22 [2021-08-22 05:39:15,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/443173a92/6f4e3d9fbf7b47ff833773484ef22c84 [2021-08-22 05:39:15,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 05:39:15,729 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-22 05:39:15,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-22 05:39:15,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-22 05:39:15,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-22 05:39:15,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:39:15" (1/1) ... [2021-08-22 05:39:15,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451245ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:15, skipping insertion in model container [2021-08-22 05:39:15,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:39:15" (1/1) ... [2021-08-22 05:39:15,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-22 05:39:15,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-22 05:39:15,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-08-22 05:39:16,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 05:39:16,196 INFO L203 MainTranslator]: Completed pre-run [2021-08-22 05:39:16,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-08-22 05:39:16,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 05:39:16,287 INFO L208 MainTranslator]: Completed translation [2021-08-22 05:39:16,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16 WrapperNode [2021-08-22 05:39:16,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-22 05:39:16,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 05:39:16,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 05:39:16,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 05:39:16,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 05:39:16,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 05:39:16,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 05:39:16,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 05:39:16,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 05:39:16,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 05:39:16,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 05:39:16,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 05:39:16,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (1/1) ... [2021-08-22 05:39:16,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 05:39:16,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:39:16,438 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) [2021-08-22 05:39:16,462 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 [2021-08-22 05:39:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-22 05:39:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-22 05:39:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-22 05:39:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-22 05:39:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-08-22 05:39:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-08-22 05:39:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-08-22 05:39:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-08-22 05:39:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-22 05:39:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 05:39:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 05:39:16,485 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 05:39:16,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 05:39:16,984 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-08-22 05:39:16,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:39:16 BoogieIcfgContainer [2021-08-22 05:39:16,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 05:39:16,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 05:39:16,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 05:39:16,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 05:39:16,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 05:39:15" (1/3) ... [2021-08-22 05:39:16,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb1fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:39:16, skipping insertion in model container [2021-08-22 05:39:16,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:39:16" (2/3) ... [2021-08-22 05:39:16,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb1fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:39:16, skipping insertion in model container [2021-08-22 05:39:16,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:39:16" (3/3) ... [2021-08-22 05:39:16,993 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-08-22 05:39:16,998 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 05:39:16,998 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 05:39:16,998 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-22 05:39:16,998 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 05:39:17,022 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,022 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,023 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,023 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,023 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,023 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,023 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,023 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,024 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,024 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,024 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,024 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,025 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,025 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,025 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,025 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,025 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,025 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,025 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,026 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,026 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,026 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,026 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,026 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,032 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,032 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,032 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,033 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,036 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,036 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,036 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,036 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 05:39:17,046 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-22 05:39:17,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 05:39:17,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:39:17,095 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) [2021-08-22 05:39:17,095 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 [2021-08-22 05:39:17,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 05:39:17,119 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 [2021-08-22 05:39:17,119 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-22 05:39:17,215 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-22 05:39:17,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:39:17,220 INFO L82 PathProgramCache]: Analyzing trace with hash -865030508, now seen corresponding path program 1 times [2021-08-22 05:39:17,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:39:17,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459671343] [2021-08-22 05:39:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:39:17,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:39:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:39:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 05:39:17,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:39:17,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459671343] [2021-08-22 05:39:17,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459671343] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 05:39:17,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 05:39:17,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 05:39:17,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37118578] [2021-08-22 05:39:17,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-22 05:39:17,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:39:17,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-22 05:39:17,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-22 05:39:17,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:39:17,469 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:39:17,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 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) [2021-08-22 05:39:17,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:39:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:39:17,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 05:39:17,488 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-22 05:39:17,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:39:17,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1822273393, now seen corresponding path program 1 times [2021-08-22 05:39:17,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:39:17,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744158] [2021-08-22 05:39:17,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:39:17,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:39:17,535 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-22 05:39:17,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182582720] [2021-08-22 05:39:17,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:39:17,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 05:39:17,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:39:17,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 05:39:17,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 05:39:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 05:39:17,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-22 05:39:17,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 05:39:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 05:39:19,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:39:19,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744158] [2021-08-22 05:39:19,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-22 05:39:19,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182582720] [2021-08-22 05:39:19,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182582720] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 05:39:19,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 05:39:19,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-22 05:39:19,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517951414] [2021-08-22 05:39:19,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-22 05:39:19,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:39:19,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-22 05:39:19,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-08-22 05:39:19,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:39:19,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:39:19,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 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) [2021-08-22 05:39:19,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:39:19,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:39:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:39:19,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 05:39:19,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-22 05:39:19,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-22 05:39:19,884 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-22 05:39:19,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:39:19,884 INFO L82 PathProgramCache]: Analyzing trace with hash 2039505329, now seen corresponding path program 2 times [2021-08-22 05:39:19,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:39:19,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493440563] [2021-08-22 05:39:19,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:39:19,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:39:19,917 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-22 05:39:19,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005439255] [2021-08-22 05:39:19,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 05:39:19,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 05:39:19,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:39:19,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 05:39:19,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 05:39:23,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 05:39:23,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 05:39:23,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 58 conjunts are in the unsatisfiable core [2021-08-22 05:39:23,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 05:40:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 05:40:01,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 05:40:01,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493440563] [2021-08-22 05:40:01,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-22 05:40:01,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005439255] [2021-08-22 05:40:01,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005439255] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 05:40:01,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-22 05:40:01,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2021-08-22 05:40:01,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842836874] [2021-08-22 05:40:01,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-22 05:40:01,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 05:40:01,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-22 05:40:01,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=959, Unknown=1, NotChecked=0, Total=1056 [2021-08-22 05:40:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:40:01,467 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 05:40:01,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.090909090909091) internal successors, (102), 33 states have internal predecessors, (102), 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) [2021-08-22 05:40:01,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:40:01,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 05:40:01,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:40:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 05:40:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 05:40:09,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 05:40:09,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 05:40:09,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 05:40:09,522 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-22 05:40:09,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 05:40:09,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1937853869, now seen corresponding path program 3 times [2021-08-22 05:40:09,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 05:40:09,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980597531] [2021-08-22 05:40:09,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 05:40:09,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 05:40:09,568 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-22 05:40:09,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827541427] [2021-08-22 05:40:09,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 05:40:09,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 05:40:09,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 05:40:09,569 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 05:40:09,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 05:40:16,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-22 05:40:16,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 05:40:16,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 67 conjunts are in the unsatisfiable core [2021-08-22 05:40:16,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 05:41:29,314 WARN L207 SmtUtils]: Spent 39.99 s on a formula simplification that was a NOOP. DAG size: 51 [2021-08-22 05:43:12,319 WARN L207 SmtUtils]: Spent 42.74 s on a formula simplification that was a NOOP. DAG size: 51 [2021-08-22 05:43:52,638 WARN L207 SmtUtils]: Spent 21.25 s on a formula simplification that was a NOOP. DAG size: 37 [2021-08-22 05:44:27,328 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (let ((.cse6 (= (mod (mod .cse4 .cse1) 4294967296) 0))) (or (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not .cse6)) (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 1) .cse6))) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1)))) is different from false [2021-08-22 05:44:29,332 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (let ((.cse6 (= (mod (mod .cse4 .cse1) 4294967296) 0))) (or (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not .cse6)) (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 1) .cse6))) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1)))) is different from true [2021-08-22 05:45:31,404 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1) (let ((.cse6 (= (mod (mod .cse4 .cse1) 4294967296) 0))) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (not .cse6)) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 1) .cse6)))))) is different from false [2021-08-22 05:46:00,151 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (= (mod (mod .cse4 .cse1) 4294967296) 0) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1)))) is different from false Received shutdown request... [2021-08-22 05:53:54,778 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-22 05:53:54,780 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 05:53:54,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 05:53:54,799 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 05:53:54,799 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 05:53:54,799 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 05:53:54,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 05:53:54,981 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 1ms.. [2021-08-22 05:53:54,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 05:53:54,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 05:53:54,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 05:53:54,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 05:53:54,989 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 05:53:54,989 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 05:53:54,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:53:54 BasicIcfg [2021-08-22 05:53:54,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 05:53:54,992 INFO L168 Benchmark]: Toolchain (without parser) took 879262.46 ms. Allocated memory was 203.4 MB in the beginning and 278.9 MB in the end (delta: 75.5 MB). Free memory was 167.4 MB in the beginning and 212.8 MB in the end (delta: -45.4 MB). Peak memory consumption was 154.4 MB. Max. memory is 8.0 GB. [2021-08-22 05:53:54,992 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 203.4 MB. Free memory is still 185.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 05:53:54,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.31 ms. Allocated memory is still 203.4 MB. Free memory was 167.3 MB in the beginning and 176.7 MB in the end (delta: -9.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. [2021-08-22 05:53:54,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.94 ms. Allocated memory is still 203.4 MB. Free memory was 176.7 MB in the beginning and 174.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 05:53:54,993 INFO L168 Benchmark]: Boogie Preprocessor took 36.11 ms. Allocated memory is still 203.4 MB. Free memory was 174.1 MB in the beginning and 172.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 05:53:54,994 INFO L168 Benchmark]: RCFGBuilder took 572.72 ms. Allocated memory is still 203.4 MB. Free memory was 172.6 MB in the beginning and 139.5 MB in the end (delta: 33.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2021-08-22 05:53:54,994 INFO L168 Benchmark]: TraceAbstraction took 878002.51 ms. Allocated memory was 203.4 MB in the beginning and 278.9 MB in the end (delta: 75.5 MB). Free memory was 139.0 MB in the beginning and 212.8 MB in the end (delta: -73.9 MB). Peak memory consumption was 125.7 MB. Max. memory is 8.0 GB. [2021-08-22 05:53:54,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 203.4 MB. Free memory is still 185.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 557.31 ms. Allocated memory is still 203.4 MB. Free memory was 167.3 MB in the beginning and 176.7 MB in the end (delta: -9.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 73.94 ms. Allocated memory is still 203.4 MB. Free memory was 176.7 MB in the beginning and 174.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.11 ms. Allocated memory is still 203.4 MB. Free memory was 174.1 MB in the beginning and 172.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 572.72 ms. Allocated memory is still 203.4 MB. Free memory was 172.6 MB in the beginning and 139.5 MB in the end (delta: 33.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 878002.51 ms. Allocated memory was 203.4 MB in the beginning and 278.9 MB in the end (delta: 75.5 MB). Free memory was 139.0 MB in the beginning and 212.8 MB in the end (delta: -73.9 MB). Peak memory consumption was 125.7 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: 319, positive: 196, positive conditional: 196, positive unconditional: 0, negative: 123, negative conditional: 123, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208, positive: 196, positive conditional: 196, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 208, positive: 196, positive conditional: 196, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 217, positive: 196, positive conditional: 104, positive unconditional: 92, negative: 21, negative conditional: 9, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 217, positive: 196, positive conditional: 17, positive unconditional: 179, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 217, positive: 196, positive conditional: 17, positive unconditional: 179, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 217, positive: 162, positive conditional: 17, positive unconditional: 145, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 37, unknown conditional: 0, unknown unconditional: 37] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 96, Maximal queried relation: 2, Independence queries for same thread: 111 - 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 - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 1ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 1ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 1ms.. - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 1ms.. - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 1ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 132 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 877896.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 8465.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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: 72.9ms SsaConstructionTime, 3447.2ms SatisfiabilityAnalysisTime, 39598.7ms InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 4548 SizeOfPredicates, 43 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 4/9 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 could not prove your program: Timeout Completed graceful shutdown