/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/11a-double-end.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:44:34,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:44:34,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:44:34,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 21:44:34,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 21:44:34,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 21:44:34,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 21:44:34,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 21:44:34,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 21:44:34,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 21:44:34,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 21:44:34,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 21:44:34,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:44:34,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:44:34,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:44:34,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:44:34,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:44:34,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:44:34,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:44:34,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:44:34,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:44:34,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:44:34,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:44:34,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:44:34,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-12 21:44:34,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-12 21:44:34,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-12 21:44:34,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-12 21:44:34,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-12 21:44:34,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-12 21:44:34,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-12 21:44:34,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-12 21:44:34,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-12 21:44:34,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-12 21:44:34,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-12 21:44:34,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-12 21:44:34,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-12 21:44:34,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-12 21:44:34,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 21:44:34,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 21:44:34,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 21:44:34,249 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-PN-NoLbe.epf [2021-08-12 21:44:34,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:44:34,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:44:34,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:44:34,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:44:34,273 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:44:34,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:44:34,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:44:34,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:44:34,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:44:34,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:44:34,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:44:34,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:44:34,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:44:34,274 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:44:34,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:44:34,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:44:34,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:44:34,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:44:34,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:44:34,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:44:34,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:44:34,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:44:34,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:44:34,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:44:34,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:44:34,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:44:34,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:44:34,276 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:44:34,276 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:44:34,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:44:34,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:44:34,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:44:34,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:44:34,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:44:34,575 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 21:44:34,580 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 21:44:34,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/11a-double-end.c [2021-08-12 21:44:34,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6917227/aaa24e5b89e944e2a512a9a5fa553015/FLAG6a70a6d0e [2021-08-12 21:44:34,997 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 21:44:34,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/11a-double-end.c [2021-08-12 21:44:34,999 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-12 21:44:35,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6917227/aaa24e5b89e944e2a512a9a5fa553015/FLAG6a70a6d0e [2021-08-12 21:44:35,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6917227/aaa24e5b89e944e2a512a9a5fa553015 [2021-08-12 21:44:35,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:44:35,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 21:44:35,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 21:44:35,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 21:44:35,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 21:44:35,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f0ab57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35, skipping insertion in model container [2021-08-12 21:44:35,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 21:44:35,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 21:44:35,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:44:35,185 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 21:44:35,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:44:35,244 INFO L208 MainTranslator]: Completed translation [2021-08-12 21:44:35,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35 WrapperNode [2021-08-12 21:44:35,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 21:44:35,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:44:35,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:44:35,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:44:35,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:44:35,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:44:35,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:44:35,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:44:35,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (1/1) ... [2021-08-12 21:44:35,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:44:35,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:44:35,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:44:35,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:44:35,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (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 [2021-08-12 21:44:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 21:44:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-12 21:44:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-12 21:44:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-12 21:44:35,341 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-12 21:44:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:44:35,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:44:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 21:44:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 21:44:35,343 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:44:35,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:44:35,569 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-12 21:44:35,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:44:35 BoogieIcfgContainer [2021-08-12 21:44:35,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:44:35,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:44:35,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:44:35,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:44:35,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 09:44:35" (1/3) ... [2021-08-12 21:44:35,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60278bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:44:35, skipping insertion in model container [2021-08-12 21:44:35,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:35" (2/3) ... [2021-08-12 21:44:35,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60278bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:44:35, skipping insertion in model container [2021-08-12 21:44:35,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:44:35" (3/3) ... [2021-08-12 21:44:35,575 INFO L111 eAbstractionObserver]: Analyzing ICFG 11a-double-end.c [2021-08-12 21:44:35,579 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:44:35,579 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 21:44:35,580 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:44:35,594 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,595 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,595 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,595 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,595 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,595 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,595 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,595 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,595 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,596 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,596 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,596 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,597 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,597 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,597 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,597 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:35,599 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-12 21:44:35,614 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-12 21:44:35,627 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:44:35,627 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:44:35,627 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:44:35,628 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:44:35,628 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:44:35,628 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:44:35,628 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:44:35,628 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:44:35,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 61 flow [2021-08-12 21:44:35,657 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-08-12 21:44:35,657 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:44:35,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 27 events. 0/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-08-12 21:44:35,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 28 transitions, 61 flow [2021-08-12 21:44:35,660 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 22 transitions, 47 flow [2021-08-12 21:44:35,665 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-08-12 21:44:35,665 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:44:35,666 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:44:35,666 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:44:35,666 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:44:35,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:44:35,670 INFO L82 PathProgramCache]: Analyzing trace with hash -2066339343, now seen corresponding path program 1 times [2021-08-12 21:44:35,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:44:35,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070637928] [2021-08-12 21:44:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:44:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:44:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:44:35,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:44:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:44:35,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:44:35,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070637928] [2021-08-12 21:44:35,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070637928] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:44:35,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:44:35,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 21:44:35,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868661008] [2021-08-12 21:44:35,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:44:35,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:44:35,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:44:35,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:44:35,817 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 28 [2021-08-12 21:44:35,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 47 flow. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-08-12 21:44:35,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:44:35,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 28 [2021-08-12 21:44:35,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:44:35,854 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-08-12 21:44:35,854 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:44:35,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 27 events. 0/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 2/28 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-08-12 21:44:35,855 INFO L132 encePairwiseOnDemand]: 25/28 looper letters, 2 selfloop transitions, 2 changer transitions 1/23 dead transitions. [2021-08-12 21:44:35,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 23 transitions, 59 flow [2021-08-12 21:44:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:44:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:44:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2021-08-12 21:44:35,868 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8928571428571429 [2021-08-12 21:44:35,868 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 75 transitions. [2021-08-12 21:44:35,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 75 transitions. [2021-08-12 21:44:35,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:44:35,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 75 transitions. [2021-08-12 21:44:35,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-08-12 21:44:35,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2021-08-12 21:44:35,877 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2021-08-12 21:44:35,877 INFO L348 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2021-08-12 21:44:35,877 INFO L482 AbstractCegarLoop]: Abstraction has has 28 places, 23 transitions, 59 flow [2021-08-12 21:44:35,877 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2021-08-12 21:44:35,878 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:44:35,878 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:44:35,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:44:35,878 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:44:35,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:44:35,880 INFO L82 PathProgramCache]: Analyzing trace with hash 907750228, now seen corresponding path program 1 times [2021-08-12 21:44:35,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:44:35,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082624916] [2021-08-12 21:44:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:44:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:44:35,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:44:35,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:35,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:44:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:44:35,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:44:35,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082624916] [2021-08-12 21:44:35,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082624916] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:44:35,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:44:35,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 21:44:35,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492929513] [2021-08-12 21:44:35,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:44:35,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:44:35,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:44:35,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:44:35,941 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 28 [2021-08-12 21:44:35,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 23 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-08-12 21:44:35,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:44:35,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 28 [2021-08-12 21:44:35,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:44:35,955 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-08-12 21:44:35,955 INFO L130 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2021-08-12 21:44:35,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 26 events. 0/26 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 1/27 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-08-12 21:44:35,955 INFO L132 encePairwiseOnDemand]: 25/28 looper letters, 0 selfloop transitions, 0 changer transitions 23/23 dead transitions. [2021-08-12 21:44:35,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 23 transitions, 69 flow [2021-08-12 21:44:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:44:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:44:35,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2021-08-12 21:44:35,957 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8809523809523809 [2021-08-12 21:44:35,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 74 transitions. [2021-08-12 21:44:35,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 74 transitions. [2021-08-12 21:44:35,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:44:35,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 74 transitions. [2021-08-12 21:44:35,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-08-12 21:44:35,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2021-08-12 21:44:35,959 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2021-08-12 21:44:35,959 INFO L348 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2021-08-12 21:44:35,959 INFO L482 AbstractCegarLoop]: Abstraction has has 29 places, 23 transitions, 69 flow [2021-08-12 21:44:35,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-08-12 21:44:35,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 21:44:36,038 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 5278 in 75788878ns [2021-08-12 21:44:36,040 INFO L113 kiGriesValidityCheck]: 24#(or (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (<= 2 ~x~0) (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) (not v_np5_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np3_1 (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) (not v_np5_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np7_1 (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (<= 2 ~x~0) v_np6_1 (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np5_1 (not v_np0_1) v_np23_1)) [2021-08-12 21:44:36,050 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 15064581ns [2021-08-12 21:44:36,051 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid Owicki-Gries annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-12 21:44:36,056 INFO L168 Benchmark]: Toolchain (without parser) took 1007.94 ms. Allocated memory is still 188.7 MB. Free memory was 152.5 MB in the beginning and 116.5 MB in the end (delta: 36.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:36,057 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 188.7 MB. Free memory was 171.0 MB in the beginning and 170.8 MB in the end (delta: 148.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:44:36,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.27 ms. Allocated memory is still 188.7 MB. Free memory was 152.2 MB in the beginning and 171.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:36,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.99 ms. Allocated memory is still 188.7 MB. Free memory was 171.6 MB in the beginning and 170.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:36,060 INFO L168 Benchmark]: Boogie Preprocessor took 16.20 ms. Allocated memory is still 188.7 MB. Free memory was 170.0 MB in the beginning and 169.3 MB in the end (delta: 683.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:36,061 INFO L168 Benchmark]: RCFGBuilder took 281.06 ms. Allocated memory is still 188.7 MB. Free memory was 169.0 MB in the beginning and 155.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:36,062 INFO L168 Benchmark]: TraceAbstraction took 483.00 ms. Allocated memory is still 188.7 MB. Free memory was 155.3 MB in the beginning and 116.5 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:36,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 188.7 MB. Free memory was 171.0 MB in the beginning and 170.8 MB in the end (delta: 148.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 200.27 ms. Allocated memory is still 188.7 MB. Free memory was 152.2 MB in the beginning and 171.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.99 ms. Allocated memory is still 188.7 MB. Free memory was 171.6 MB in the beginning and 170.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.20 ms. Allocated memory is still 188.7 MB. Free memory was 170.0 MB in the beginning and 169.3 MB in the end (delta: 683.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 281.06 ms. Allocated memory is still 188.7 MB. Free memory was 169.0 MB in the beginning and 155.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 483.00 ms. Allocated memory is still 188.7 MB. Free memory was 155.3 MB in the beginning and 116.5 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Invalid Owicki-Gries annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Invalid Owicki-Gries annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...