/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 05:08:07,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 05:08:07,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 05:08:07,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 05:08:07,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 05:08:07,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 05:08:07,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 05:08:07,163 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-Sleep-NoLbe-Delay.epf [2021-03-12 05:08:07,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 05:08:07,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 05:08:07,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 05:08:07,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 05:08:07,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 05:08:07,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 05:08:07,185 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 05:08:07,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 05:08:07,185 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 05:08:07,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 05:08:07,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 05:08:07,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 05:08:07,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 05:08:07,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 05:08:07,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 05:08:07,186 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 05:08:07,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 05:08:07,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 05:08:07,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 05:08:07,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 05:08:07,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 05:08:07,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 05:08:07,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 05:08:07,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 05:08:07,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 05:08:07,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 05:08:07,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 05:08:07,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 05:08:07,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 05:08:07,187 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 05:08:07,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 05:08:07,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 05:08:07,188 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 05:08:07,188 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 05:08:07,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 05:08:07,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 05:08:07,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 05:08:07,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 05:08:07,494 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 05:08:07,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i [2021-03-12 05:08:07,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e20433c56/cdcd8ec2ca7b42fca7638f9f67d9a64f/FLAG32b9c730c [2021-03-12 05:08:08,535 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 05:08:08,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i [2021-03-12 05:08:08,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e20433c56/cdcd8ec2ca7b42fca7638f9f67d9a64f/FLAG32b9c730c [2021-03-12 05:08:08,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e20433c56/cdcd8ec2ca7b42fca7638f9f67d9a64f [2021-03-12 05:08:08,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 05:08:08,876 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 05:08:08,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 05:08:08,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 05:08:08,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 05:08:08,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:08:08" (1/1) ... [2021-03-12 05:08:08,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a402c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:08, skipping insertion in model container [2021-03-12 05:08:08,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:08:08" (1/1) ... [2021-03-12 05:08:08,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 05:08:08,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 05:08:09,046 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i[949,962] [2021-03-12 05:08:09,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:08:09,238 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 05:08:09,248 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i[949,962] [2021-03-12 05:08:09,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:08:09,350 INFO L208 MainTranslator]: Completed translation [2021-03-12 05:08:09,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09 WrapperNode [2021-03-12 05:08:09,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 05:08:09,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 05:08:09,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 05:08:09,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 05:08:09,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (1/1) ... [2021-03-12 05:08:09,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (1/1) ... [2021-03-12 05:08:09,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 05:08:09,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 05:08:09,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 05:08:09,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 05:08:09,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (1/1) ... [2021-03-12 05:08:09,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (1/1) ... [2021-03-12 05:08:09,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (1/1) ... [2021-03-12 05:08:09,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (1/1) ... [2021-03-12 05:08:09,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (1/1) ... [2021-03-12 05:08:09,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (1/1) ... [2021-03-12 05:08:09,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (1/1) ... [2021-03-12 05:08:09,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 05:08:09,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 05:08:09,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 05:08:09,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 05:08:09,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (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 [2021-03-12 05:08:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 05:08:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 05:08:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 05:08:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 05:08:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 05:08:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 05:08:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 05:08:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 05:08:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 05:08:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 05:08:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 05:08:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 05:08:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 05:08:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 05:08:09,466 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 05:08:09,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 05:08:09,813 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 05:08:09,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:08:09 BoogieIcfgContainer [2021-03-12 05:08:09,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 05:08:09,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 05:08:09,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 05:08:09,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 05:08:09,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 05:08:08" (1/3) ... [2021-03-12 05:08:09,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151f9831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:08:09, skipping insertion in model container [2021-03-12 05:08:09,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:08:09" (2/3) ... [2021-03-12 05:08:09,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151f9831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:08:09, skipping insertion in model container [2021-03-12 05:08:09,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:08:09" (3/3) ... [2021-03-12 05:08:09,824 INFO L111 eAbstractionObserver]: Analyzing ICFG safe018_tso.opt.i [2021-03-12 05:08:09,829 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 05:08:09,829 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 05:08:09,833 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 05:08:09,833 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 05:08:09,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,869 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,869 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,870 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,870 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,872 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,872 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,874 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,874 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,878 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,878 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,889 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,889 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:08:09,897 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 05:08:09,912 INFO L253 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 [2021-03-12 05:08:09,971 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 05:08:09,975 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 05:08:09,975 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 05:08:09,975 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 05:08:09,975 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 05:08:09,976 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 05:08:09,976 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 05:08:09,976 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 05:08:10,018 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:08:10,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:08:10,023 INFO L82 PathProgramCache]: Analyzing trace with hash -44604290, now seen corresponding path program 1 times [2021-03-12 05:08:10,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:08:10,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49435645] [2021-03-12 05:08:10,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:08:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:08:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:08:10,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49435645] [2021-03-12 05:08:10,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:08:10,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:08:10,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983547457] [2021-03-12 05:08:10,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:08:10,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:08:10,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:08:10,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:08:10,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:08:10,421 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:08:10,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-03-12 05:08:10,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:08:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:08:11,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 05:08:11,088 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:08:11,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:08:11,091 INFO L82 PathProgramCache]: Analyzing trace with hash -390177896, now seen corresponding path program 2 times [2021-03-12 05:08:11,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:08:11,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535763235] [2021-03-12 05:08:11,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:08:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:08:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:08:11,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535763235] [2021-03-12 05:08:11,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:08:11,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:08:11,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430351620] [2021-03-12 05:08:11,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:08:11,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:08:11,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:08:11,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:08:11,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:08:11,293 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:08:11,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-03-12 05:08:11,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:08:11,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:08:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:08:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:08:11,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 05:08:11,763 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:08:11,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:08:11,770 INFO L82 PathProgramCache]: Analyzing trace with hash -733964136, now seen corresponding path program 3 times [2021-03-12 05:08:11,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:08:11,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264777971] [2021-03-12 05:08:11,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:08:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:08:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:08:11,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264777971] [2021-03-12 05:08:11,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:08:11,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:08:11,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121956942] [2021-03-12 05:08:11,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:08:11,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:08:11,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:08:11,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:08:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:08:11,976 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:08:11,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-03-12 05:08:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:08:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:08:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:08:12,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:08:12,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:08:12,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 05:08:12,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 05:08:12,475 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:08:12,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:08:12,476 INFO L82 PathProgramCache]: Analyzing trace with hash -2024898604, now seen corresponding path program 4 times [2021-03-12 05:08:12,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:08:12,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813421815] [2021-03-12 05:08:12,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:08:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:08:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:08:12,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813421815] [2021-03-12 05:08:12,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:08:12,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:08:12,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156690438] [2021-03-12 05:08:12,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:08:12,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:08:12,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:08:12,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:08:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:08:12,604 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:08:12,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-03-12 05:08:12,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:08:12,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:08:12,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 05:08:12,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:08:13,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:08:13,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:08:13,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 05:08:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:08:13,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 05:08:13,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 05:08:13 BasicIcfg [2021-03-12 05:08:13,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 05:08:13,070 INFO L168 Benchmark]: Toolchain (without parser) took 4196.86 ms. Allocated memory was 337.6 MB in the beginning and 427.8 MB in the end (delta: 90.2 MB). Free memory was 301.1 MB in the beginning and 199.6 MB in the end (delta: 101.5 MB). Peak memory consumption was 193.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:08:13,071 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 337.6 MB. Free memory was 319.1 MB in the beginning and 319.0 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:08:13,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.31 ms. Allocated memory is still 337.6 MB. Free memory was 300.5 MB in the beginning and 300.8 MB in the end (delta: -301.3 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-03-12 05:08:13,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.06 ms. Allocated memory is still 337.6 MB. Free memory was 300.8 MB in the beginning and 298.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:08:13,073 INFO L168 Benchmark]: Boogie Preprocessor took 17.79 ms. Allocated memory is still 337.6 MB. Free memory was 298.7 MB in the beginning and 297.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:08:13,075 INFO L168 Benchmark]: RCFGBuilder took 406.64 ms. Allocated memory is still 337.6 MB. Free memory was 297.6 MB in the beginning and 273.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-12 05:08:13,076 INFO L168 Benchmark]: TraceAbstraction took 3251.75 ms. Allocated memory was 337.6 MB in the beginning and 427.8 MB in the end (delta: 90.2 MB). Free memory was 273.5 MB in the beginning and 199.6 MB in the end (delta: 73.9 MB). Peak memory consumption was 165.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:08:13,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 337.6 MB. Free memory was 319.1 MB in the beginning and 319.0 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 473.31 ms. Allocated memory is still 337.6 MB. Free memory was 300.5 MB in the beginning and 300.8 MB in the end (delta: -301.3 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.06 ms. Allocated memory is still 337.6 MB. Free memory was 300.8 MB in the beginning and 298.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.79 ms. Allocated memory is still 337.6 MB. Free memory was 298.7 MB in the beginning and 297.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 406.64 ms. Allocated memory is still 337.6 MB. Free memory was 297.6 MB in the beginning and 273.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3251.75 ms. Allocated memory was 337.6 MB in the beginning and 427.8 MB in the end (delta: 90.2 MB). Free memory was 273.5 MB in the beginning and 199.6 MB in the end (delta: 73.9 MB). Peak memory consumption was 165.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 72920, positive: 69607, positive conditional: 69607, positive unconditional: 0, negative: 3313, negative conditional: 3313, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 70226, positive: 69607, positive conditional: 69607, positive unconditional: 0, negative: 619, negative conditional: 619, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 70226, positive: 68949, positive conditional: 0, positive unconditional: 68949, negative: 1277, negative conditional: 0, negative unconditional: 1277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 576, positive: 567, positive conditional: 0, positive unconditional: 567, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 576, positive: 563, positive conditional: 0, positive unconditional: 563, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 68, positive conditional: 40, positive unconditional: 28, negative: 77, negative conditional: 29, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70226, positive: 68382, positive conditional: 0, positive unconditional: 68382, negative: 1268, negative conditional: 0, negative unconditional: 1268, unknown: 576, unknown conditional: 0, unknown unconditional: 576] , Statistics on independence cache: Total cache size (in pairs): 593, Positive cache size: 576, Positive conditional cache size: 9, Positive unconditional cache size: 567, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 3292, positive: 658, positive conditional: 658, positive unconditional: 0, negative: 2634, negative conditional: 299, negative unconditional: 2335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3292, positive: 658, positive conditional: 658, positive unconditional: 0, negative: 2634, negative conditional: 299, negative unconditional: 2335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 68, positive conditional: 40, positive unconditional: 28, negative: 77, negative conditional: 29, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3292, positive: 649, positive conditional: 649, positive unconditional: 0, negative: 2626, negative conditional: 291, negative unconditional: 2335, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 593, Positive cache size: 576, Positive conditional cache size: 9, Positive unconditional cache size: 567, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, Eliminated conditions: 2335, SemanticConditionEliminator.Independence Queries: [ total: 3292, positive: 658, positive conditional: 658, positive unconditional: 0, negative: 2634, negative conditional: 299, negative unconditional: 2335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3292, positive: 658, positive conditional: 658, positive unconditional: 0, negative: 2634, negative conditional: 299, negative unconditional: 2335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 68, positive conditional: 40, positive unconditional: 28, negative: 77, negative conditional: 29, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3292, positive: 649, positive conditional: 649, positive unconditional: 0, negative: 2626, negative conditional: 291, negative unconditional: 2335, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 593, Positive cache size: 576, Positive conditional cache size: 9, Positive unconditional cache size: 567, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, Eliminated conditions: 2335, SemanticConditionEliminator.Independence Queries: [ total: 3292, positive: 658, positive conditional: 658, positive unconditional: 0, negative: 2634, negative conditional: 299, negative unconditional: 2335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3292, positive: 658, positive conditional: 658, positive unconditional: 0, negative: 2634, negative conditional: 299, negative unconditional: 2335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 68, positive conditional: 40, positive unconditional: 28, negative: 77, negative conditional: 29, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3292, positive: 649, positive conditional: 649, positive unconditional: 0, negative: 2626, negative conditional: 291, negative unconditional: 2335, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 593, Positive cache size: 576, Positive conditional cache size: 9, Positive unconditional cache size: 567, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, Eliminated conditions: 2335, SemanticConditionEliminator.Independence Queries: [ total: 3292, positive: 658, positive conditional: 658, positive unconditional: 0, negative: 2634, negative conditional: 299, negative unconditional: 2335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3292, positive: 658, positive conditional: 658, positive unconditional: 0, negative: 2634, negative conditional: 299, negative unconditional: 2335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 68, positive conditional: 40, positive unconditional: 28, negative: 77, negative conditional: 29, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3292, positive: 649, positive conditional: 649, positive unconditional: 0, negative: 2626, negative conditional: 291, negative unconditional: 2335, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 593, Positive cache size: 576, Positive conditional cache size: 9, Positive unconditional cache size: 567, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, Eliminated conditions: 2335 ], Maximal queried relation: 4, Independence queries for same thread: 2694 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3130.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.4ms, PartialOrderReductionTime: 2105.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, 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: 16.8ms SsaConstructionTime, 175.9ms SatisfiabilityAnalysisTime, 596.5ms InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...