/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 06:55:30,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 06:55:30,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 06:55:30,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 06:55:30,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 06:55:30,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 06:55:30,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 06:55:30,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-04-15 06:55:30,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 06:55:30,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 06:55:30,626 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 06:55:30,626 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 06:55:30,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 06:55:30,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 06:55:30,629 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 06:55:30,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 06:55:30,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 06:55:30,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 06:55:30,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 06:55:30,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 06:55:30,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 06:55:30,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 06:55:30,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 06:55:30,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 06:55:30,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 06:55:30,630 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 06:55:30,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 06:55:30,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 06:55:30,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 06:55:30,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 06:55:30,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 06:55:30,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 06:55:30,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 06:55:30,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 06:55:30,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 06:55:30,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 06:55:30,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 06:55:30,631 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 06:55:30,632 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 06:55:30,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 06:55:30,632 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 06:55:30,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 06:55:30,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 06:55:30,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 06:55:30,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 06:55:30,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 06:55:30,854 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 06:55:30,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.oepc.i [2021-04-15 06:55:30,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096cbcabe/9b1e770e82fb4e40a48490fac2060e4d/FLAG0df213855 [2021-04-15 06:55:31,252 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 06:55:31,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_tso.oepc.i [2021-04-15 06:55:31,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096cbcabe/9b1e770e82fb4e40a48490fac2060e4d/FLAG0df213855 [2021-04-15 06:55:31,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096cbcabe/9b1e770e82fb4e40a48490fac2060e4d [2021-04-15 06:55:31,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 06:55:31,640 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 06:55:31,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 06:55:31,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 06:55:31,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 06:55:31,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:31,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382deaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31, skipping insertion in model container [2021-04-15 06:55:31,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:31,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 06:55:31,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 06:55:31,772 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/safe007_tso.oepc.i[950,963] [2021-04-15 06:55:31,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:55:31,901 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 06:55:31,913 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/safe007_tso.oepc.i[950,963] [2021-04-15 06:55:31,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:55:31,972 INFO L208 MainTranslator]: Completed translation [2021-04-15 06:55:31,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31 WrapperNode [2021-04-15 06:55:31,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 06:55:31,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 06:55:31,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 06:55:31,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 06:55:31,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:31,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:31,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 06:55:31,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 06:55:31,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 06:55:31,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 06:55:32,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:32,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:32,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:32,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:32,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:32,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:32,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (1/1) ... [2021-04-15 06:55:32,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 06:55:32,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 06:55:32,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 06:55:32,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 06:55:32,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (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 [2021-04-15 06:55:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 06:55:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 06:55:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 06:55:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 06:55:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-15 06:55:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-15 06:55:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-15 06:55:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-15 06:55:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-15 06:55:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-15 06:55:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 06:55:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 06:55:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 06:55:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 06:55:32,052 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 06:55:32,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 06:55:32,280 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-15 06:55:32,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:55:32 BoogieIcfgContainer [2021-04-15 06:55:32,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 06:55:32,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 06:55:32,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 06:55:32,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 06:55:32,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 06:55:31" (1/3) ... [2021-04-15 06:55:32,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2225b47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:55:32, skipping insertion in model container [2021-04-15 06:55:32,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:55:31" (2/3) ... [2021-04-15 06:55:32,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2225b47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:55:32, skipping insertion in model container [2021-04-15 06:55:32,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:55:32" (3/3) ... [2021-04-15 06:55:32,285 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_tso.oepc.i [2021-04-15 06:55:32,289 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 06:55:32,289 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 06:55:32,294 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 06:55:32,294 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 06:55:32,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,314 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,314 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,318 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,318 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,320 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,321 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,322 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,322 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:55:32,323 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-15 06:55:32,333 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 [2021-04-15 06:55:32,358 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 06:55:32,359 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 06:55:32,359 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 06:55:32,359 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 06:55:32,359 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 06:55:32,359 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 06:55:32,359 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 06:55:32,359 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 06:55:32,391 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:55:32,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:55:32,397 INFO L82 PathProgramCache]: Analyzing trace with hash 527156459, now seen corresponding path program 1 times [2021-04-15 06:55:32,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:55:32,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153195071] [2021-04-15 06:55:32,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:55:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:55:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:55:32,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153195071] [2021-04-15 06:55:32,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:55:32,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 06:55:32,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34597815] [2021-04-15 06:55:32,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-15 06:55:32,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:55:32,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-15 06:55:32,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-15 06:55:32,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:32,578 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:55:32,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2021-04-15 06:55:32,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:32,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 06:55:32,587 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:55:32,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:55:32,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1324134984, now seen corresponding path program 1 times [2021-04-15 06:55:32,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:55:32,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350325977] [2021-04-15 06:55:32,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:55:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:55:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:55:32,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350325977] [2021-04-15 06:55:32,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:55:32,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 06:55:32,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511183184] [2021-04-15 06:55:32,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 06:55:32,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:55:32,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 06:55:32,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-15 06:55:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:32,721 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:55:32,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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) [2021-04-15 06:55:32,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:32,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:55:33,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 06:55:33,495 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:55:33,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:55:33,496 INFO L82 PathProgramCache]: Analyzing trace with hash -811133113, now seen corresponding path program 1 times [2021-04-15 06:55:33,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:55:33,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651370936] [2021-04-15 06:55:33,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:55:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:55:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:55:33,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651370936] [2021-04-15 06:55:33,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:55:33,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 06:55:33,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492820140] [2021-04-15 06:55:33,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 06:55:33,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:55:33,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 06:55:33,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-15 06:55:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:33,607 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:55:33,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2021-04-15 06:55:33,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:33,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:55:33,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:34,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:34,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:55:34,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 06:55:34,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 06:55:34,271 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:55:34,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:55:34,272 INFO L82 PathProgramCache]: Analyzing trace with hash -2095631625, now seen corresponding path program 1 times [2021-04-15 06:55:34,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:55:34,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369697138] [2021-04-15 06:55:34,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:55:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:55:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:55:34,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369697138] [2021-04-15 06:55:34,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:55:34,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 06:55:34,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249299503] [2021-04-15 06:55:34,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 06:55:34,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:55:34,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 06:55:34,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-15 06:55:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:34,373 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:55:34,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-04-15 06:55:34,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:34,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:55:34,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 06:55:34,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:35,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:55:35,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:55:35,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 06:55:35,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:55:35,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 06:55:35,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 06:55:35 BasicIcfg [2021-04-15 06:55:35,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 06:55:35,505 INFO L168 Benchmark]: Toolchain (without parser) took 3864.76 ms. Allocated memory was 255.9 MB in the beginning and 683.7 MB in the end (delta: 427.8 MB). Free memory was 235.1 MB in the beginning and 420.8 MB in the end (delta: -185.7 MB). Peak memory consumption was 450.6 MB. Max. memory is 16.0 GB. [2021-04-15 06:55:35,505 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 183.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 06:55:35,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.99 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 235.1 MB in the beginning and 318.3 MB in the end (delta: -83.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-04-15 06:55:35,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.41 ms. Allocated memory is still 354.4 MB. Free memory was 318.3 MB in the beginning and 316.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 06:55:35,509 INFO L168 Benchmark]: Boogie Preprocessor took 12.78 ms. Allocated memory is still 354.4 MB. Free memory was 316.3 MB in the beginning and 314.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 06:55:35,510 INFO L168 Benchmark]: RCFGBuilder took 271.31 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 332.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.0 GB. [2021-04-15 06:55:35,511 INFO L168 Benchmark]: TraceAbstraction took 3222.03 ms. Allocated memory was 354.4 MB in the beginning and 683.7 MB in the end (delta: 329.3 MB). Free memory was 331.8 MB in the beginning and 420.8 MB in the end (delta: -89.0 MB). Peak memory consumption was 449.6 MB. Max. memory is 16.0 GB. [2021-04-15 06:55:35,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 183.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 331.99 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 235.1 MB in the beginning and 318.3 MB in the end (delta: -83.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.41 ms. Allocated memory is still 354.4 MB. Free memory was 318.3 MB in the beginning and 316.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.78 ms. Allocated memory is still 354.4 MB. Free memory was 316.3 MB in the beginning and 314.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 271.31 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 332.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3222.03 ms. Allocated memory was 354.4 MB in the beginning and 683.7 MB in the end (delta: 329.3 MB). Free memory was 331.8 MB in the beginning and 420.8 MB in the end (delta: -89.0 MB). Peak memory consumption was 449.6 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: 196477, positive: 193780, positive conditional: 193780, positive unconditional: 0, negative: 2697, negative conditional: 2697, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 195431, positive: 193780, positive conditional: 193780, positive unconditional: 0, negative: 1651, negative conditional: 1651, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 195431, positive: 193520, positive conditional: 0, positive unconditional: 193520, negative: 1911, negative conditional: 0, negative unconditional: 1911, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 824, positive: 810, positive conditional: 0, positive unconditional: 810, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 824, positive: 806, positive conditional: 0, positive unconditional: 806, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 31, negative conditional: 17, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, positive: 25, positive conditional: 14, positive unconditional: 11, negative: 55, negative conditional: 19, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 195431, positive: 192710, positive conditional: 0, positive unconditional: 192710, negative: 1897, negative conditional: 0, negative unconditional: 1897, unknown: 824, unknown conditional: 0, unknown unconditional: 824] , Statistics on independence cache: Total cache size (in pairs): 850, Positive cache size: 819, Positive conditional cache size: 9, Positive unconditional cache size: 810, Negative cache size: 31, Negative conditional cache size: 17, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 6172, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 5912, negative conditional: 823, negative unconditional: 5089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6172, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 5912, negative conditional: 823, negative unconditional: 5089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 31, negative conditional: 17, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, positive: 25, positive conditional: 14, positive unconditional: 11, negative: 55, negative conditional: 19, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6172, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 5895, negative conditional: 806, negative unconditional: 5089, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 850, Positive cache size: 819, Positive conditional cache size: 9, Positive unconditional cache size: 810, Negative cache size: 31, Negative conditional cache size: 17, Negative unconditional cache size: 14, Eliminated conditions: 5089, SemanticConditionEliminator.Independence Queries: [ total: 6172, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 5912, negative conditional: 823, negative unconditional: 5089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6172, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 5912, negative conditional: 823, negative unconditional: 5089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 31, negative conditional: 17, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, positive: 25, positive conditional: 14, positive unconditional: 11, negative: 55, negative conditional: 19, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6172, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 5895, negative conditional: 806, negative unconditional: 5089, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 850, Positive cache size: 819, Positive conditional cache size: 9, Positive unconditional cache size: 810, Negative cache size: 31, Negative conditional cache size: 17, Negative unconditional cache size: 14, Eliminated conditions: 5089, SemanticConditionEliminator.Independence Queries: [ total: 6172, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 5912, negative conditional: 823, negative unconditional: 5089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6172, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 5912, negative conditional: 823, negative unconditional: 5089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 31, negative conditional: 17, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, positive: 25, positive conditional: 14, positive unconditional: 11, negative: 55, negative conditional: 19, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6172, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 5895, negative conditional: 806, negative unconditional: 5089, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 850, Positive cache size: 819, Positive conditional cache size: 9, Positive unconditional cache size: 810, Negative cache size: 31, Negative conditional cache size: 17, Negative unconditional cache size: 14, Eliminated conditions: 5089, SemanticConditionEliminator.Independence Queries: [ total: 6172, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 5912, negative conditional: 823, negative unconditional: 5089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6172, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 5912, negative conditional: 823, negative unconditional: 5089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 31, negative conditional: 17, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, positive: 25, positive conditional: 14, positive unconditional: 11, negative: 55, negative conditional: 19, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6172, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 5895, negative conditional: 806, negative unconditional: 5089, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 850, Positive cache size: 819, Positive conditional cache size: 9, Positive unconditional cache size: 810, Negative cache size: 31, Negative conditional cache size: 17, Negative unconditional cache size: 14, Eliminated conditions: 5089 ], Maximal queried relation: 4, Independence queries for same thread: 1046 - 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, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3159.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.0ms, PartialOrderReductionTime: 2592.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 12.5ms SsaConstructionTime, 99.2ms SatisfiabilityAnalysisTime, 317.5ms InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 627 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...