/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-04 21:44:25,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-04 21:44:25,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-04 21:44:25,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-04 21:44:25,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-04 21:44:25,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-04 21:44:25,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-04 21:44:25,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-04 21:44:25,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-04 21:44:25,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-04 21:44:25,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-04 21:44:25,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-04 21:44:25,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-04 21:44:25,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-04 21:44:25,946 INFO L138 SettingsManager]: * Use SBE=true [2021-06-04 21:44:25,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-04 21:44:25,946 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-04 21:44:25,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-04 21:44:25,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-04 21:44:25,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-04 21:44:25,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-04 21:44:25,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-04 21:44:25,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-04 21:44:25,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-04 21:44:25,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-04 21:44:25,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-04 21:44:25,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-04 21:44:25,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-04 21:44:25,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-04 21:44:25,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-04 21:44:25,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-04 21:44:25,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-04 21:44:25,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-04 21:44:25,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-04 21:44:25,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-04 21:44:25,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-04 21:44:25,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-04 21:44:25,949 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-04 21:44:25,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-04 21:44:25,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-04 21:44:26,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-04 21:44:26,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-04 21:44:26,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-04 21:44:26,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-04 21:44:26,263 INFO L275 PluginConnector]: CDTParser initialized [2021-06-04 21:44:26,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-06-04 21:44:26,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2c636b58/c58d9d4351f44e0790f852f8200031e4/FLAGaee41f4e8 [2021-06-04 21:44:26,854 INFO L306 CDTParser]: Found 1 translation units. [2021-06-04 21:44:26,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-06-04 21:44:26,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2c636b58/c58d9d4351f44e0790f852f8200031e4/FLAGaee41f4e8 [2021-06-04 21:44:27,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2c636b58/c58d9d4351f44e0790f852f8200031e4 [2021-06-04 21:44:27,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-04 21:44:27,318 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-04 21:44:27,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-04 21:44:27,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-04 21:44:27,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-04 21:44:27,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236e4cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27, skipping insertion in model container [2021-06-04 21:44:27,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-04 21:44:27,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-04 21:44:27,481 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-atomic/gcd-2.i[938,951] [2021-06-04 21:44:27,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-04 21:44:27,682 INFO L203 MainTranslator]: Completed pre-run [2021-06-04 21:44:27,692 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-atomic/gcd-2.i[938,951] [2021-06-04 21:44:27,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-04 21:44:27,788 INFO L208 MainTranslator]: Completed translation [2021-06-04 21:44:27,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27 WrapperNode [2021-06-04 21:44:27,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-04 21:44:27,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-04 21:44:27,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-04 21:44:27,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-04 21:44:27,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-04 21:44:27,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-04 21:44:27,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-04 21:44:27,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-04 21:44:27,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (1/1) ... [2021-06-04 21:44:27,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-04 21:44:27,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-04 21:44:27,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-04 21:44:27,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-04 21:44:27,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (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 [2021-06-04 21:44:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-04 21:44:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-04 21:44:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-04 21:44:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-04 21:44:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-06-04 21:44:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-06-04 21:44:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-06-04 21:44:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-06-04 21:44:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-04 21:44:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-04 21:44:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-04 21:44:27,911 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-04 21:44:28,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-04 21:44:28,458 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-06-04 21:44:28,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 09:44:28 BoogieIcfgContainer [2021-06-04 21:44:28,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-04 21:44:28,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-04 21:44:28,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-04 21:44:28,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-04 21:44:28,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 09:44:27" (1/3) ... [2021-06-04 21:44:28,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb0dba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 09:44:28, skipping insertion in model container [2021-06-04 21:44:28,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:44:27" (2/3) ... [2021-06-04 21:44:28,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb0dba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 09:44:28, skipping insertion in model container [2021-06-04 21:44:28,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 09:44:28" (3/3) ... [2021-06-04 21:44:28,466 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-06-04 21:44:28,470 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-04 21:44:28,471 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-04 21:44:28,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-06-04 21:44:28,471 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-04 21:44:28,501 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,501 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,502 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,502 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,502 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,502 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,502 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,503 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,503 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,503 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,503 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,504 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,505 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,506 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,506 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,506 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,506 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,506 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,506 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,506 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,507 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,507 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,507 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,507 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,510 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,510 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,510 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,511 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,512 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,513 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,513 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,513 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:44:28,521 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-04 21:44:28,539 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-04 21:44:28,554 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-04 21:44:28,554 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-04 21:44:28,554 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-04 21:44:28,554 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-04 21:44:28,554 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-04 21:44:28,554 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-04 21:44:28,555 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-04 21:44:28,555 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-04 21:44:28,564 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 124 places, 131 transitions, 284 flow [2021-06-04 21:44:28,590 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 309 states, 305 states have (on average 2.301639344262295) internal successors, (702), 308 states have internal predecessors, (702), 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) [2021-06-04 21:44:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 309 states, 305 states have (on average 2.301639344262295) internal successors, (702), 308 states have internal predecessors, (702), 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) [2021-06-04 21:44:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-04 21:44:28,611 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:44:28,611 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:44:28,612 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-04 21:44:28,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:44:28,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1182303052, now seen corresponding path program 1 times [2021-06-04 21:44:28,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:44:28,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857875119] [2021-06-04 21:44:28,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:44:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:44:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:44:28,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:44:28,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857875119] [2021-06-04 21:44:28,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857875119] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:44:28,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:44:28,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-04 21:44:28,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449825449] [2021-06-04 21:44:28,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-04 21:44:28,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:44:28,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-04 21:44:28,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-04 21:44:28,802 INFO L87 Difference]: Start difference. First operand has 309 states, 305 states have (on average 2.301639344262295) internal successors, (702), 308 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 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) [2021-06-04 21:44:28,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:44:28,837 INFO L93 Difference]: Finished difference Result 306 states and 631 transitions. [2021-06-04 21:44:28,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-04 21:44:28,838 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-04 21:44:28,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:44:28,855 INFO L225 Difference]: With dead ends: 306 [2021-06-04 21:44:28,856 INFO L226 Difference]: Without dead ends: 296 [2021-06-04 21:44:28,857 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-04 21:44:28,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-06-04 21:44:28,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2021-06-04 21:44:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 293 states have (on average 2.1194539249146755) internal successors, (621), 295 states have internal predecessors, (621), 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) [2021-06-04 21:44:28,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 621 transitions. [2021-06-04 21:44:28,905 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 621 transitions. Word has length 88 [2021-06-04 21:44:28,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:44:28,905 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 621 transitions. [2021-06-04 21:44:28,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 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) [2021-06-04 21:44:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 621 transitions. [2021-06-04 21:44:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-04 21:44:28,909 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:44:28,909 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:44:28,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-04 21:44:28,909 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-04 21:44:28,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:44:28,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1169244598, now seen corresponding path program 1 times [2021-06-04 21:44:28,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:44:28,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84764142] [2021-06-04 21:44:28,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:44:28,944 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-06-04 21:44:28,944 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1307861330] [2021-06-04 21:44:28,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-04 21:44:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:44:29,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-04 21:44:29,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-04 21:44:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:44:29,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:44:29,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84764142] [2021-06-04 21:44:29,750 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-06-04 21:44:29,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307861330] [2021-06-04 21:44:29,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307861330] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:44:29,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:44:29,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-04 21:44:29,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258325435] [2021-06-04 21:44:29,752 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-04 21:44:29,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:44:29,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-04 21:44:29,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-06-04 21:44:29,753 INFO L87 Difference]: Start difference. First operand 296 states and 621 transitions. Second operand has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 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) [2021-06-04 21:44:30,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:44:30,499 INFO L93 Difference]: Finished difference Result 521 states and 1120 transitions. [2021-06-04 21:44:30,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-04 21:44:30,500 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-04 21:44:30,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:44:30,502 INFO L225 Difference]: With dead ends: 521 [2021-06-04 21:44:30,503 INFO L226 Difference]: Without dead ends: 521 [2021-06-04 21:44:30,503 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 641.4ms TimeCoverageRelationStatistics Valid=184, Invalid=572, Unknown=0, NotChecked=0, Total=756 [2021-06-04 21:44:30,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-06-04 21:44:30,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 476. [2021-06-04 21:44:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 473 states have (on average 2.1670190274841437) internal successors, (1025), 475 states have internal predecessors, (1025), 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) [2021-06-04 21:44:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1025 transitions. [2021-06-04 21:44:30,524 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 1025 transitions. Word has length 88 [2021-06-04 21:44:30,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:44:30,525 INFO L482 AbstractCegarLoop]: Abstraction has 476 states and 1025 transitions. [2021-06-04 21:44:30,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 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) [2021-06-04 21:44:30,525 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1025 transitions. [2021-06-04 21:44:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-06-04 21:44:30,529 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:44:30,529 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-04 21:44:30,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-06-04 21:44:30,753 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-04 21:44:30,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:44:30,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1936720344, now seen corresponding path program 1 times [2021-06-04 21:44:30,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:44:30,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564216324] [2021-06-04 21:44:30,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:44:30,784 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-06-04 21:44:30,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293878198] [2021-06-04 21:44:30,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-04 21:44:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:44:31,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-04 21:44:31,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-06-04 21:58:59,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-04 21:58:59,788 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-04 21:58:59,790 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-04 21:58:59,792 WARN L196 ceAbstractionStarter]: Timeout [2021-06-04 21:58:59,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 09:58:59 BasicIcfg [2021-06-04 21:58:59,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-04 21:58:59,793 INFO L168 Benchmark]: Toolchain (without parser) took 872474.54 ms. Allocated memory was 346.0 MB in the beginning and 790.6 MB in the end (delta: 444.6 MB). Free memory was 309.2 MB in the beginning and 264.3 MB in the end (delta: 44.9 MB). Peak memory consumption was 631.2 MB. Max. memory is 16.0 GB. [2021-06-04 21:58:59,793 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 346.0 MB. Free memory was 327.4 MB in the beginning and 327.3 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-04 21:58:59,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.31 ms. Allocated memory is still 346.0 MB. Free memory was 309.0 MB in the beginning and 308.4 MB in the end (delta: 617.8 kB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. [2021-06-04 21:58:59,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.78 ms. Allocated memory is still 346.0 MB. Free memory was 308.4 MB in the beginning and 306.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-04 21:58:59,793 INFO L168 Benchmark]: Boogie Preprocessor took 21.71 ms. Allocated memory is still 346.0 MB. Free memory was 306.3 MB in the beginning and 304.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-04 21:58:59,793 INFO L168 Benchmark]: RCFGBuilder took 609.52 ms. Allocated memory is still 346.0 MB. Free memory was 304.2 MB in the beginning and 269.6 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-06-04 21:58:59,793 INFO L168 Benchmark]: TraceAbstraction took 871331.14 ms. Allocated memory was 346.0 MB in the beginning and 790.6 MB in the end (delta: 444.6 MB). Free memory was 269.6 MB in the beginning and 264.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 592.1 MB. Max. memory is 16.0 GB. [2021-06-04 21:58:59,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 346.0 MB. Free memory was 327.4 MB in the beginning and 327.3 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 461.31 ms. Allocated memory is still 346.0 MB. Free memory was 309.0 MB in the beginning and 308.4 MB in the end (delta: 617.8 kB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.78 ms. Allocated memory is still 346.0 MB. Free memory was 308.4 MB in the beginning and 306.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.71 ms. Allocated memory is still 346.0 MB. Free memory was 306.3 MB in the beginning and 304.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 609.52 ms. Allocated memory is still 346.0 MB. Free memory was 304.2 MB in the beginning and 269.6 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 871331.14 ms. Allocated memory was 346.0 MB in the beginning and 790.6 MB in the end (delta: 444.6 MB). Free memory was 269.6 MB in the beginning and 264.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 592.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 91 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 132 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 871237.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 26.8ms, AutomataDifference: 822.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 35.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 200 SDtfs, 485 SDslu, 829 SDs, 0 SdLazy, 250 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 182.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 641.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 58.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 36.6ms SsaConstructionTime, 131.3ms SatisfiabilityAnalysisTime, 678.6ms InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 734 SizeOfPredicates, 13 NumberOfNonLiveVariables, 190 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: Timeout Completed graceful shutdown