/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkJoinInLoop.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 15:34:33,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 15:34:33,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 15:34:33,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 15:34:33,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 15:34:33,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 15:34:33,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 15:34:33,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2021-03-12 15:34:33,139 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 15:34:33,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 15:34:33,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 15:34:33,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 15:34:33,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 15:34:33,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 15:34:33,142 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 15:34:33,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 15:34:33,142 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 15:34:33,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 15:34:33,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 15:34:33,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 15:34:33,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 15:34:33,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 15:34:33,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 15:34:33,144 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 15:34:33,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 15:34:33,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 15:34:33,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 15:34:33,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 15:34:33,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 15:34:33,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 15:34:33,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 15:34:33,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 15:34:33,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 15:34:33,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 15:34:33,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 15:34:33,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 15:34:33,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 15:34:33,145 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 15:34:33,145 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 15:34:33,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 15:34:33,145 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 15:34:33,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 15:34:33,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 15:34:33,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 15:34:33,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 15:34:33,414 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 15:34:33,414 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 15:34:33,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkJoinInLoop.c [2021-03-12 15:34:33,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d70cf5e6/ba0f73fc3c5f4c46a4b13ea2b1aedf5a/FLAG3d04b7e47 [2021-03-12 15:34:33,839 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 15:34:33,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkJoinInLoop.c [2021-03-12 15:34:33,840 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-12 15:34:33,840 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-12 15:34:33,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d70cf5e6/ba0f73fc3c5f4c46a4b13ea2b1aedf5a/FLAG3d04b7e47 [2021-03-12 15:34:34,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d70cf5e6/ba0f73fc3c5f4c46a4b13ea2b1aedf5a [2021-03-12 15:34:34,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 15:34:34,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 15:34:34,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 15:34:34,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 15:34:34,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 15:34:34,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6007e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34, skipping insertion in model container [2021-03-12 15:34:34,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 15:34:34,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 15:34:34,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 15:34:34,305 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 15:34:34,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 15:34:34,323 INFO L208 MainTranslator]: Completed translation [2021-03-12 15:34:34,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34 WrapperNode [2021-03-12 15:34:34,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 15:34:34,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 15:34:34,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 15:34:34,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 15:34:34,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 15:34:34,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 15:34:34,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 15:34:34,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 15:34:34,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... [2021-03-12 15:34:34,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 15:34:34,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 15:34:34,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 15:34:34,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 15:34:34,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 15:34:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 15:34:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-12 15:34:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-12 15:34:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 15:34:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 15:34:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-12 15:34:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 15:34:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 15:34:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 15:34:34,451 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 15:34:34,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 15:34:34,653 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-03-12 15:34:34,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:34:34 BoogieIcfgContainer [2021-03-12 15:34:34,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 15:34:34,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 15:34:34,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 15:34:34,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 15:34:34,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 03:34:34" (1/3) ... [2021-03-12 15:34:34,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69aed4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 03:34:34, skipping insertion in model container [2021-03-12 15:34:34,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 03:34:34" (2/3) ... [2021-03-12 15:34:34,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69aed4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 03:34:34, skipping insertion in model container [2021-03-12 15:34:34,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:34:34" (3/3) ... [2021-03-12 15:34:34,658 INFO L111 eAbstractionObserver]: Analyzing ICFG forkJoinInLoop.c [2021-03-12 15:34:34,662 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 15:34:34,662 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 15:34:34,669 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 15:34:34,669 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 15:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,691 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,691 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,691 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,692 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,692 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,692 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,692 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,693 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,693 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,695 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,695 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,695 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,696 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,696 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:34:34,702 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-12 15:34:34,712 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 15:34:34,752 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 15:34:34,752 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 15:34:34,752 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 15:34:34,753 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 15:34:34,753 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 15:34:34,753 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 15:34:34,753 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 15:34:34,753 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 15:34:34,770 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:34:34,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:34:34,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1741648071, now seen corresponding path program 1 times [2021-03-12 15:34:34,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:34:34,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60614883] [2021-03-12 15:34:34,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:34:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:34:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:34:34,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60614883] [2021-03-12 15:34:34,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 15:34:34,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 15:34:34,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275921782] [2021-03-12 15:34:34,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-12 15:34:34,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:34:34,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-12 15:34:34,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-12 15:34:34,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:34,875 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:34:34,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 15:34:34,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:34,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:34,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 15:34:34,879 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:34:34,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:34:34,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1313432728, now seen corresponding path program 1 times [2021-03-12 15:34:34,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:34:34,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842996665] [2021-03-12 15:34:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:34:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:34:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:34:34,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842996665] [2021-03-12 15:34:34,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 15:34:34,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 15:34:34,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460377677] [2021-03-12 15:34:34,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 15:34:34,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:34:34,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 15:34:34,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 15:34:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:34,953 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:34:34,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 15:34:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:35,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 15:34:35,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 15:34:35,013 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:34:35,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:34:35,014 INFO L82 PathProgramCache]: Analyzing trace with hash -2097661679, now seen corresponding path program 1 times [2021-03-12 15:34:35,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:34:35,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962192554] [2021-03-12 15:34:35,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:34:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:34:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:34:35,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962192554] [2021-03-12 15:34:35,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826680374] [2021-03-12 15:34:35,191 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 [2021-03-12 15:34:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:34:35,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-12 15:34:35,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:34:35,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-03-12 15:34:35,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 15:34:35,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 15:34:35,324 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 15:34:35,324 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-03-12 15:34:35,344 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-03-12 15:34:35,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-03-12 15:34:35,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 15:34:35,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 15:34:35,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 15:34:35,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2021-03-12 15:34:35,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-03-12 15:34:35,408 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 15:34:35,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 15:34:35,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-12 15:34:35,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2021-03-12 15:34:35,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2021-03-12 15:34:35,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 15:34:35,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 15:34:35,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-12 15:34:35,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:39, output treesize:19 [2021-03-12 15:34:35,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-03-12 15:34:35,857 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 15:34:35,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 15:34:35,861 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-03-12 15:34:35,861 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:26, output treesize:3 [2021-03-12 15:34:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:34:35,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:34:35,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-03-12 15:34:35,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226901783] [2021-03-12 15:34:35,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 15:34:35,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:34:35,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 15:34:35,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-03-12 15:34:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:35,868 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:34:35,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 15:34:35,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:35,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 15:34:35,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:34:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 15:34:36,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 15:34:36,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:34:36,386 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:34:36,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:34:36,387 INFO L82 PathProgramCache]: Analyzing trace with hash 708660552, now seen corresponding path program 2 times [2021-03-12 15:34:36,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:34:36,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88393185] [2021-03-12 15:34:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:34:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 15:34:36,405 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 15:34:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 15:34:36,430 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 15:34:36,455 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-12 15:34:36,456 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-12 15:34:36,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 15:34:36,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 03:34:36 BasicIcfg [2021-03-12 15:34:36,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 15:34:36,498 INFO L168 Benchmark]: Toolchain (without parser) took 2302.48 ms. Allocated memory is still 350.2 MB. Free memory was 313.5 MB in the beginning and 300.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:36,498 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 350.2 MB. Free memory was 331.7 MB in the beginning and 331.6 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 15:34:36,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.61 ms. Allocated memory is still 350.2 MB. Free memory was 312.9 MB in the beginning and 329.5 MB in the end (delta: -16.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:36,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.13 ms. Allocated memory is still 350.2 MB. Free memory was 329.5 MB in the beginning and 334.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:36,498 INFO L168 Benchmark]: Boogie Preprocessor took 34.27 ms. Allocated memory is still 350.2 MB. Free memory was 334.6 MB in the beginning and 333.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:36,499 INFO L168 Benchmark]: RCFGBuilder took 265.67 ms. Allocated memory is still 350.2 MB. Free memory was 333.6 MB in the beginning and 316.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:36,499 INFO L168 Benchmark]: TraceAbstraction took 1842.80 ms. Allocated memory is still 350.2 MB. Free memory was 316.8 MB in the beginning and 300.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.0 GB. [2021-03-12 15:34:36,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 350.2 MB. Free memory was 331.7 MB in the beginning and 331.6 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 121.61 ms. Allocated memory is still 350.2 MB. Free memory was 312.9 MB in the beginning and 329.5 MB in the end (delta: -16.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.13 ms. Allocated memory is still 350.2 MB. Free memory was 329.5 MB in the beginning and 334.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.27 ms. Allocated memory is still 350.2 MB. Free memory was 334.6 MB in the beginning and 333.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 265.67 ms. Allocated memory is still 350.2 MB. Free memory was 333.6 MB in the beginning and 316.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1842.80 ms. Allocated memory is still 350.2 MB. Free memory was 316.8 MB in the beginning and 300.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 18.0 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: 31, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 13 - CounterExampleResult [Line: 30]: assertion can be violated assertion can be violated We found a FailurePath: [L19] 0 pthread_t thread_id; [L21] 0 int x = 1; [L23] EXPR 0 \read(x) [L23] COND TRUE 0 x < 3 [L24] FCALL, FORK 0 pthread_create(&thread_id, NULL, foo, &x) VAL [i={5:0}] [L25] 0 \read(x) VAL [i={5:0}] [L15] 1 int y = 4; VAL [i={5:0}, i={5:0}, y=4] [L26] 0 \read(thread_id) VAL [i={5:0}, i={5:0}, y=4] [L26] FCALL, JOIN 1 pthread_join(thread_id, NULL) VAL [i={5:0}, i={5:0}, y=4] [L27] 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L28] EXPR 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L28] 0 x++ VAL [i={5:0}, i={5:0}, y=4] [L23] EXPR 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L23] COND TRUE 0 x < 3 VAL [i={5:0}, i={5:0}, y=4] [L24] FCALL, FORK 0 pthread_create(&thread_id, NULL, foo, &x) VAL [i={5:0}] [L25] 0 \read(x) VAL [i={5:0}] [L15] 1 int y = 4; VAL [i={5:0}, i={5:0}, y=4] [L26] 0 \read(thread_id) VAL [i={5:0}, i={5:0}, y=4] [L26] FCALL, JOIN 1 pthread_join(thread_id, NULL) VAL [i={5:0}, i={5:0}, y=4] [L27] 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L28] EXPR 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L28] 0 x++ VAL [i={5:0}, i={5:0}, y=4] [L23] EXPR 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L23] COND FALSE 0 !(x < 3) VAL [i={5:0}, i={5:0}, y=4] [L30] 0 CodeAnnotStmt[Assertion] VAL [i={5:0}, i={5:0}, y=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1729.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.2ms, PartialOrderReductionTime: 369.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.8ms SsaConstructionTime, 86.6ms SatisfiabilityAnalysisTime, 840.5ms InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 20 QuantifiedInterpolants, 781 SizeOfPredicates, 7 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/4 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 incorrect! Received shutdown request...