/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 13:31:38,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 13:31:38,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 13:31:38,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 13:31:38,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 13:31:38,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 13:31:38,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 13:31:38,720 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.epf [2021-06-13 13:31:38,776 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 13:31:38,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 13:31:38,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 13:31:38,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 13:31:38,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 13:31:38,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 13:31:38,780 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 13:31:38,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 13:31:38,780 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 13:31:38,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 13:31:38,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 13:31:38,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 13:31:38,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 13:31:38,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 13:31:38,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 13:31:38,782 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 13:31:38,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 13:31:38,783 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 13:31:38,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 13:31:38,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 13:31:38,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 13:31:38,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 13:31:38,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 13:31:38,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 13:31:38,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 13:31:38,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 13:31:38,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 13:31:38,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 13:31:38,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 13:31:38,785 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 13:31:38,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 13:31:38,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 13:31:38,785 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 13:31:38,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 13:31:39,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 13:31:39,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 13:31:39,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 13:31:39,147 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 13:31:39,147 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 13:31:39,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i [2021-06-13 13:31:39,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec60fbfc/2d723f34cbc44c3dba7a96f6e0998cb6/FLAG35d05494c [2021-06-13 13:31:39,655 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 13:31:39,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i [2021-06-13 13:31:39,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec60fbfc/2d723f34cbc44c3dba7a96f6e0998cb6/FLAG35d05494c [2021-06-13 13:31:39,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec60fbfc/2d723f34cbc44c3dba7a96f6e0998cb6 [2021-06-13 13:31:39,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 13:31:39,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 13:31:39,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 13:31:39,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 13:31:39,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 13:31:39,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 01:31:39" (1/1) ... [2021-06-13 13:31:39,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ea64c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:39, skipping insertion in model container [2021-06-13 13:31:39,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 01:31:39" (1/1) ... [2021-06-13 13:31:39,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 13:31:40,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 13:31:40,147 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i[949,962] [2021-06-13 13:31:40,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 13:31:40,345 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 13:31:40,356 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i[949,962] [2021-06-13 13:31:40,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 13:31:40,442 INFO L208 MainTranslator]: Completed translation [2021-06-13 13:31:40,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40 WrapperNode [2021-06-13 13:31:40,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 13:31:40,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 13:31:40,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 13:31:40,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 13:31:40,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... [2021-06-13 13:31:40,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... [2021-06-13 13:31:40,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 13:31:40,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 13:31:40,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 13:31:40,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 13:31:40,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... [2021-06-13 13:31:40,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... [2021-06-13 13:31:40,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... [2021-06-13 13:31:40,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... [2021-06-13 13:31:40,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... [2021-06-13 13:31:40,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... [2021-06-13 13:31:40,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... [2021-06-13 13:31:40,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 13:31:40,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 13:31:40,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 13:31:40,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 13:31:40,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 13:31:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 13:31:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 13:31:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 13:31:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 13:31:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 13:31:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 13:31:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 13:31:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 13:31:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-13 13:31:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-13 13:31:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 13:31:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 13:31:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 13:31:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 13:31:40,580 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 13:31:40,953 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 13:31:40,953 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-13 13:31:40,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 01:31:40 BoogieIcfgContainer [2021-06-13 13:31:40,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 13:31:40,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 13:31:40,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 13:31:40,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 13:31:40,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 01:31:39" (1/3) ... [2021-06-13 13:31:40,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7258e60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 01:31:40, skipping insertion in model container [2021-06-13 13:31:40,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:31:40" (2/3) ... [2021-06-13 13:31:40,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7258e60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 01:31:40, skipping insertion in model container [2021-06-13 13:31:40,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 01:31:40" (3/3) ... [2021-06-13 13:31:40,961 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.opt.i [2021-06-13 13:31:40,966 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 13:31:40,966 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 13:31:40,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 13:31:40,967 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 13:31:40,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,988 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,988 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,989 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,989 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,990 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,990 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,990 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,991 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,991 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,991 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,991 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,991 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,991 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,992 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,992 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,992 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,993 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,993 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,993 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,993 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,993 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,993 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,994 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,994 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,994 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,996 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,996 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:40,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:41,000 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:41,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:41,000 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:41,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:41,002 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:41,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:41,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:41,002 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:31:41,003 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 13:31:41,029 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 13:31:41,069 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 13:31:41,069 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 13:31:41,069 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 13:31:41,069 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 13:31:41,069 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 13:31:41,069 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 13:31:41,069 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 13:31:41,069 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 13:31:41,102 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:31:41,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:31:41,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1623290350, now seen corresponding path program 1 times [2021-06-13 13:31:41,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:31:41,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733889147] [2021-06-13 13:31:41,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:31:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:31:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:31:41,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:31:41,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733889147] [2021-06-13 13:31:41,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733889147] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:31:41,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:31:41,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 13:31:41,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414233445] [2021-06-13 13:31:41,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-13 13:31:41,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:31:41,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-13 13:31:41,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-13 13:31:41,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:41,288 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:31:41,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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) [2021-06-13 13:31:41,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:41,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:41,299 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 13:31:41,299 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:31:41,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:31:41,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1186241960, now seen corresponding path program 1 times [2021-06-13 13:31:41,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:31:41,300 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767316044] [2021-06-13 13:31:41,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:31:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:31:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:31:41,492 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:31:41,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767316044] [2021-06-13 13:31:41,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767316044] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:31:41,493 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:31:41,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 13:31:41,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213412542] [2021-06-13 13:31:41,494 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 13:31:41,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:31:41,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 13:31:41,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 13:31:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:41,495 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:31:41,496 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2021-06-13 13:31:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:41,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:41,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:31:41,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 13:31:41,670 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:31:41,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:31:41,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2003436393, now seen corresponding path program 1 times [2021-06-13 13:31:41,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:31:41,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161300465] [2021-06-13 13:31:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:31:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:31:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:31:41,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:31:41,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161300465] [2021-06-13 13:31:41,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161300465] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:31:41,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:31:41,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 13:31:41,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800207337] [2021-06-13 13:31:41,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 13:31:41,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:31:41,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 13:31:41,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-13 13:31:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:41,806 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:31:41,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2021-06-13 13:31:41,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:41,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:31:41,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:31:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:31:42,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 13:31:42,913 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:31:42,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:31:42,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1581544483, now seen corresponding path program 1 times [2021-06-13 13:31:42,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:31:42,916 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43661191] [2021-06-13 13:31:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:31:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:31:43,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:31:43,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:31:43,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43661191] [2021-06-13 13:31:43,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43661191] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:31:43,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:31:43,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 13:31:43,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882664019] [2021-06-13 13:31:43,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 13:31:43,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:31:43,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 13:31:43,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 13:31:43,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:43,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:31:43,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-06-13 13:31:43,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:43,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:31:43,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:31:43,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:31:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:31:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:31:44,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 13:31:44,412 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:31:44,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:31:44,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1520999025, now seen corresponding path program 1 times [2021-06-13 13:31:44,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:31:44,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404487226] [2021-06-13 13:31:44,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:31:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:31:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:31:44,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:31:44,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404487226] [2021-06-13 13:31:44,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404487226] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:31:44,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:31:44,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 13:31:44,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371347540] [2021-06-13 13:31:44,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 13:31:44,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:31:44,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 13:31:44,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-13 13:31:44,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:44,537 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:31:44,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-06-13 13:31:44,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:44,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:31:44,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:31:44,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:31:44,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:31:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:31:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:31:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 13:31:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 13:31:46,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 13:31:46,691 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 13:31:46,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 01:31:46 BasicIcfg [2021-06-13 13:31:46,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 13:31:46,694 INFO L168 Benchmark]: Toolchain (without parser) took 6712.20 ms. Allocated memory was 174.1 MB in the beginning and 656.4 MB in the end (delta: 482.3 MB). Free memory was 138.0 MB in the beginning and 315.4 MB in the end (delta: -177.5 MB). Peak memory consumption was 461.3 MB. Max. memory is 8.0 GB. [2021-06-13 13:31:46,695 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 174.1 MB. Free memory is still 156.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 13:31:46,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.13 ms. Allocated memory is still 174.1 MB. Free memory was 137.7 MB in the beginning and 136.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-13 13:31:46,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.71 ms. Allocated memory is still 174.1 MB. Free memory was 136.2 MB in the beginning and 134.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 13:31:46,696 INFO L168 Benchmark]: Boogie Preprocessor took 23.95 ms. Allocated memory is still 174.1 MB. Free memory was 134.4 MB in the beginning and 133.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 13:31:46,696 INFO L168 Benchmark]: RCFGBuilder took 455.22 ms. Allocated memory is still 174.1 MB. Free memory was 132.7 MB in the beginning and 109.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-13 13:31:46,696 INFO L168 Benchmark]: TraceAbstraction took 5736.94 ms. Allocated memory was 174.1 MB in the beginning and 656.4 MB in the end (delta: 482.3 MB). Free memory was 109.0 MB in the beginning and 315.4 MB in the end (delta: -206.4 MB). Peak memory consumption was 433.2 MB. Max. memory is 8.0 GB. [2021-06-13 13:31:46,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 174.1 MB. Free memory is still 156.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 458.13 ms. Allocated memory is still 174.1 MB. Free memory was 137.7 MB in the beginning and 136.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.71 ms. Allocated memory is still 174.1 MB. Free memory was 136.2 MB in the beginning and 134.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.95 ms. Allocated memory is still 174.1 MB. Free memory was 134.4 MB in the beginning and 133.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 455.22 ms. Allocated memory is still 174.1 MB. Free memory was 132.7 MB in the beginning and 109.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5736.94 ms. Allocated memory was 174.1 MB in the beginning and 656.4 MB in the end (delta: 482.3 MB). Free memory was 109.0 MB in the beginning and 315.4 MB in the end (delta: -206.4 MB). Peak memory consumption was 433.2 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: 220382, positive: 217568, positive conditional: 217568, positive unconditional: 0, negative: 2814, negative conditional: 2814, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 219333, positive: 217568, positive conditional: 217568, positive unconditional: 0, negative: 1765, negative conditional: 1765, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 219333, positive: 217308, positive conditional: 0, positive unconditional: 217308, negative: 2025, negative conditional: 0, negative unconditional: 2025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 918, positive: 904, positive conditional: 0, positive unconditional: 904, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 918, positive: 900, positive conditional: 0, positive unconditional: 900, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 35, positive conditional: 23, positive unconditional: 13, negative: 85, negative conditional: 30, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 219333, positive: 216404, positive conditional: 0, positive unconditional: 216404, negative: 2011, negative conditional: 0, negative unconditional: 2011, unknown: 918, unknown conditional: 0, unknown unconditional: 918] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 914, Positive conditional cache size: 10, Positive unconditional cache size: 904, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 35, positive conditional: 23, positive unconditional: 13, negative: 85, negative conditional: 30, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8552, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 8274, negative conditional: 1067, negative unconditional: 7207, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 914, Positive conditional cache size: 10, Positive unconditional cache size: 904, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 7207, SemanticConditionEliminator.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 35, positive conditional: 23, positive unconditional: 13, negative: 85, negative conditional: 30, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8552, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 8274, negative conditional: 1067, negative unconditional: 7207, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 914, Positive conditional cache size: 10, Positive unconditional cache size: 904, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 7207, SemanticConditionEliminator.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 35, positive conditional: 23, positive unconditional: 13, negative: 85, negative conditional: 30, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8552, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 8274, negative conditional: 1067, negative unconditional: 7207, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 914, Positive conditional cache size: 10, Positive unconditional cache size: 904, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 7207, SemanticConditionEliminator.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 35, positive conditional: 23, positive unconditional: 13, negative: 85, negative conditional: 30, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8552, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 8274, negative conditional: 1067, negative unconditional: 7207, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 914, Positive conditional cache size: 10, Positive unconditional cache size: 904, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 7207, SemanticConditionEliminator.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8552, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 8292, negative conditional: 1085, negative unconditional: 7207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 35, positive conditional: 23, positive unconditional: 13, negative: 85, negative conditional: 30, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8552, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 8274, negative conditional: 1067, negative unconditional: 7207, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 914, Positive conditional cache size: 10, Positive unconditional cache size: 904, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 7207 ], Maximal queried relation: 5, Independence queries for same thread: 1049 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5649.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 4788.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, 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: 16.5ms SsaConstructionTime, 109.8ms SatisfiabilityAnalysisTime, 556.9ms InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...