/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 00:32:50,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 00:32:50,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 00:32:50,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 00:32:50,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 00:32:50,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 00:32:50,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 00:32:50,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 00:32:50,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 00:32:50,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 00:32:50,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 00:32:50,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 00:32:50,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 00:32:50,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 00:32:50,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 00:32:50,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 00:32:50,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 00:32:50,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 00:32:50,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 00:32:50,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 00:32:50,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 00:32:50,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 00:32:50,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 00:32:50,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 00:32:50,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 00:32:50,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 00:32:50,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 00:32:50,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 00:32:50,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 00:32:50,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 00:32:50,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 00:32:50,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 00:32:50,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 00:32:50,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 00:32:50,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 00:32:50,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 00:32:50,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 00:32:50,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 00:32:50,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 00:32:50,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 00:32:50,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 00:32:50,649 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 [2022-01-19 00:32:50,667 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 00:32:50,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 00:32:50,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 00:32:50,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 00:32:50,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 00:32:50,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 00:32:50,669 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 00:32:50,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 00:32:50,669 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 00:32:50,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 00:32:50,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 00:32:50,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 00:32:50,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 00:32:50,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 00:32:50,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 00:32:50,670 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 00:32:50,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 00:32:50,670 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 00:32:50,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 00:32:50,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 00:32:50,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 00:32:50,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 00:32:50,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 00:32:50,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:32:50,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 00:32:50,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 00:32:50,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 00:32:50,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 00:32:50,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 00:32:50,672 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 00:32:50,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 00:32:50,672 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 00:32:50,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 00:32:50,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 00:32:50,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 00:32:50,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 00:32:50,849 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 00:32:50,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c [2022-01-19 00:32:50,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9838a307/a032728af4394ca59ae8f8ba5008598a/FLAG9168c8220 [2022-01-19 00:32:51,195 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 00:32:51,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c [2022-01-19 00:32:51,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9838a307/a032728af4394ca59ae8f8ba5008598a/FLAG9168c8220 [2022-01-19 00:32:51,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9838a307/a032728af4394ca59ae8f8ba5008598a [2022-01-19 00:32:51,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 00:32:51,643 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 00:32:51,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 00:32:51,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 00:32:51,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 00:32:51,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181923ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51, skipping insertion in model container [2022-01-19 00:32:51,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 00:32:51,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 00:32:51,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c[3481,3494] [2022-01-19 00:32:51,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:32:51,807 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 00:32:51,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-trans.wvr.c[3481,3494] [2022-01-19 00:32:51,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:32:51,846 INFO L208 MainTranslator]: Completed translation [2022-01-19 00:32:51,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51 WrapperNode [2022-01-19 00:32:51,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 00:32:51,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 00:32:51,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 00:32:51,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 00:32:51,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,880 INFO L137 Inliner]: procedures = 23, calls = 45, calls flagged for inlining = 17, calls inlined = 39, statements flattened = 349 [2022-01-19 00:32:51,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 00:32:51,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 00:32:51,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 00:32:51,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 00:32:51,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 00:32:51,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 00:32:51,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 00:32:51,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 00:32:51,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (1/1) ... [2022-01-19 00:32:51,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:32:51,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:32:51,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 00:32:51,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 00:32:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 00:32:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 00:32:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 00:32:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 00:32:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 00:32:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 00:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 00:32:51,992 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 00:32:52,070 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 00:32:52,072 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 00:32:52,445 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 00:32:52,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 00:32:52,756 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 00:32:52,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:32:52 BoogieIcfgContainer [2022-01-19 00:32:52,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 00:32:52,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 00:32:52,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 00:32:52,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 00:32:52,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 12:32:51" (1/3) ... [2022-01-19 00:32:52,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efa7974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:32:52, skipping insertion in model container [2022-01-19 00:32:52,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:32:51" (2/3) ... [2022-01-19 00:32:52,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efa7974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:32:52, skipping insertion in model container [2022-01-19 00:32:52,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:32:52" (3/3) ... [2022-01-19 00:32:52,763 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-collitem-trans.wvr.c [2022-01-19 00:32:52,766 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 00:32:52,766 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 00:32:52,766 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 00:32:52,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,815 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,815 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,815 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,815 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,815 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,815 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,815 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,817 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,840 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,840 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,840 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,840 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,842 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,842 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,842 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,843 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,844 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,844 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,844 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,844 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:32:52,848 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 00:32:52,877 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 00:32:52,885 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 00:32:52,885 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 00:32:52,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 125 transitions, 274 flow [2022-01-19 00:32:52,937 INFO L129 PetriNetUnfolder]: 1/122 cut-off events. [2022-01-19 00:32:52,937 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 00:32:52,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 122 events. 1/122 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 19 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-01-19 00:32:52,939 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 125 transitions, 274 flow [2022-01-19 00:32:52,943 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 111 transitions, 240 flow [2022-01-19 00:32:52,973 INFO L129 PetriNetUnfolder]: 1/110 cut-off events. [2022-01-19 00:32:52,973 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 00:32:52,973 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:52,974 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:52,974 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:52,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:52,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1217346723, now seen corresponding path program 1 times [2022-01-19 00:32:52,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:52,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681698569] [2022-01-19 00:32:52,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:52,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:54,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:54,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681698569] [2022-01-19 00:32:54,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681698569] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:54,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:54,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:32:54,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265826234] [2022-01-19 00:32:54,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:54,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:32:54,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:54,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:32:54,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:32:54,124 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 125 [2022-01-19 00:32:54,129 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 111 transitions, 240 flow. Second operand has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:54,129 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:54,129 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 125 [2022-01-19 00:32:54,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:54,641 INFO L129 PetriNetUnfolder]: 14/201 cut-off events. [2022-01-19 00:32:54,641 INFO L130 PetriNetUnfolder]: For 49/56 co-relation queries the response was YES. [2022-01-19 00:32:54,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 201 events. 14/201 cut-off events. For 49/56 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 429 event pairs, 7 based on Foata normal form. 5/198 useless extension candidates. Maximal degree in co-relation 136. Up to 46 conditions per place. [2022-01-19 00:32:54,644 INFO L132 encePairwiseOnDemand]: 115/125 looper letters, 47 selfloop transitions, 4 changer transitions 10/130 dead transitions. [2022-01-19 00:32:54,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 130 transitions, 424 flow [2022-01-19 00:32:54,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 00:32:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 00:32:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 885 transitions. [2022-01-19 00:32:54,664 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.708 [2022-01-19 00:32:54,664 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 885 transitions. [2022-01-19 00:32:54,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 885 transitions. [2022-01-19 00:32:54,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:54,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 885 transitions. [2022-01-19 00:32:54,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 88.5) internal successors, (885), 10 states have internal predecessors, (885), 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) [2022-01-19 00:32:54,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 125.0) internal successors, (1375), 11 states have internal predecessors, (1375), 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) [2022-01-19 00:32:54,682 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 125.0) internal successors, (1375), 11 states have internal predecessors, (1375), 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) [2022-01-19 00:32:54,683 INFO L186 Difference]: Start difference. First operand has 120 places, 111 transitions, 240 flow. Second operand 10 states and 885 transitions. [2022-01-19 00:32:54,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 130 transitions, 424 flow [2022-01-19 00:32:54,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 130 transitions, 396 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 00:32:54,696 INFO L242 Difference]: Finished difference. Result has 128 places, 110 transitions, 247 flow [2022-01-19 00:32:54,698 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=247, PETRI_PLACES=128, PETRI_TRANSITIONS=110} [2022-01-19 00:32:54,700 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 8 predicate places. [2022-01-19 00:32:54,701 INFO L470 AbstractCegarLoop]: Abstraction has has 128 places, 110 transitions, 247 flow [2022-01-19 00:32:54,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:54,701 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:54,701 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:54,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 00:32:54,702 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:54,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:54,702 INFO L85 PathProgramCache]: Analyzing trace with hash -971427119, now seen corresponding path program 2 times [2022-01-19 00:32:54,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:54,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788347846] [2022-01-19 00:32:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:54,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:55,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:55,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788347846] [2022-01-19 00:32:55,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788347846] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:55,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:55,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:32:55,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206150362] [2022-01-19 00:32:55,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:55,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:32:55,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:55,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:32:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:32:55,302 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 125 [2022-01-19 00:32:55,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 110 transitions, 247 flow. Second operand has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:55,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:55,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 125 [2022-01-19 00:32:55,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:55,717 INFO L129 PetriNetUnfolder]: 13/228 cut-off events. [2022-01-19 00:32:55,717 INFO L130 PetriNetUnfolder]: For 58/66 co-relation queries the response was YES. [2022-01-19 00:32:55,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 228 events. 13/228 cut-off events. For 58/66 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 639 event pairs, 5 based on Foata normal form. 2/225 useless extension candidates. Maximal degree in co-relation 355. Up to 35 conditions per place. [2022-01-19 00:32:55,718 INFO L132 encePairwiseOnDemand]: 117/125 looper letters, 47 selfloop transitions, 5 changer transitions 8/129 dead transitions. [2022-01-19 00:32:55,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 129 transitions, 432 flow [2022-01-19 00:32:55,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 00:32:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 00:32:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 716 transitions. [2022-01-19 00:32:55,724 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.716 [2022-01-19 00:32:55,724 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 716 transitions. [2022-01-19 00:32:55,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 716 transitions. [2022-01-19 00:32:55,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:55,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 716 transitions. [2022-01-19 00:32:55,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 89.5) internal successors, (716), 8 states have internal predecessors, (716), 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) [2022-01-19 00:32:55,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:55,728 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:55,728 INFO L186 Difference]: Start difference. First operand has 128 places, 110 transitions, 247 flow. Second operand 8 states and 716 transitions. [2022-01-19 00:32:55,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 129 transitions, 432 flow [2022-01-19 00:32:55,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 129 transitions, 409 flow, removed 8 selfloop flow, removed 5 redundant places. [2022-01-19 00:32:55,731 INFO L242 Difference]: Finished difference. Result has 129 places, 111 transitions, 264 flow [2022-01-19 00:32:55,731 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=264, PETRI_PLACES=129, PETRI_TRANSITIONS=111} [2022-01-19 00:32:55,731 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 9 predicate places. [2022-01-19 00:32:55,732 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 111 transitions, 264 flow [2022-01-19 00:32:55,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:55,732 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:55,732 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:55,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 00:32:55,732 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:55,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:55,733 INFO L85 PathProgramCache]: Analyzing trace with hash 29716127, now seen corresponding path program 3 times [2022-01-19 00:32:55,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:55,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341699229] [2022-01-19 00:32:55,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:55,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:56,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:56,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341699229] [2022-01-19 00:32:56,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341699229] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:56,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:56,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:32:56,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273597450] [2022-01-19 00:32:56,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:56,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:32:56,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:56,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:32:56,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:32:56,190 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 125 [2022-01-19 00:32:56,191 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 111 transitions, 264 flow. Second operand has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:56,191 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:56,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 125 [2022-01-19 00:32:56,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:56,541 INFO L129 PetriNetUnfolder]: 11/210 cut-off events. [2022-01-19 00:32:56,541 INFO L130 PetriNetUnfolder]: For 93/96 co-relation queries the response was YES. [2022-01-19 00:32:56,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 210 events. 11/210 cut-off events. For 93/96 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 517 event pairs, 3 based on Foata normal form. 1/207 useless extension candidates. Maximal degree in co-relation 353. Up to 41 conditions per place. [2022-01-19 00:32:56,542 INFO L132 encePairwiseOnDemand]: 117/125 looper letters, 47 selfloop transitions, 5 changer transitions 10/131 dead transitions. [2022-01-19 00:32:56,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 131 transitions, 467 flow [2022-01-19 00:32:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 00:32:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 00:32:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 716 transitions. [2022-01-19 00:32:56,544 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.716 [2022-01-19 00:32:56,545 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 716 transitions. [2022-01-19 00:32:56,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 716 transitions. [2022-01-19 00:32:56,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:56,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 716 transitions. [2022-01-19 00:32:56,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 89.5) internal successors, (716), 8 states have internal predecessors, (716), 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) [2022-01-19 00:32:56,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:56,548 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:56,548 INFO L186 Difference]: Start difference. First operand has 129 places, 111 transitions, 264 flow. Second operand 8 states and 716 transitions. [2022-01-19 00:32:56,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 131 transitions, 467 flow [2022-01-19 00:32:56,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 131 transitions, 441 flow, removed 9 selfloop flow, removed 5 redundant places. [2022-01-19 00:32:56,551 INFO L242 Difference]: Finished difference. Result has 133 places, 111 transitions, 274 flow [2022-01-19 00:32:56,551 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=274, PETRI_PLACES=133, PETRI_TRANSITIONS=111} [2022-01-19 00:32:56,551 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 13 predicate places. [2022-01-19 00:32:56,551 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 111 transitions, 274 flow [2022-01-19 00:32:56,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:56,552 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:56,552 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:56,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 00:32:56,552 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:56,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1916399963, now seen corresponding path program 4 times [2022-01-19 00:32:56,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:56,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526615331] [2022-01-19 00:32:56,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:56,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:56,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:56,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526615331] [2022-01-19 00:32:56,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526615331] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:56,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:56,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:32:56,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224190714] [2022-01-19 00:32:56,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:56,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:32:56,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:56,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:32:56,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:32:56,902 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 125 [2022-01-19 00:32:56,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 111 transitions, 274 flow. Second operand has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:56,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:56,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 125 [2022-01-19 00:32:56,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:57,255 INFO L129 PetriNetUnfolder]: 8/172 cut-off events. [2022-01-19 00:32:57,255 INFO L130 PetriNetUnfolder]: For 131/131 co-relation queries the response was YES. [2022-01-19 00:32:57,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 172 events. 8/172 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 280 event pairs, 4 based on Foata normal form. 1/170 useless extension candidates. Maximal degree in co-relation 300. Up to 35 conditions per place. [2022-01-19 00:32:57,256 INFO L132 encePairwiseOnDemand]: 117/125 looper letters, 37 selfloop transitions, 3 changer transitions 13/122 dead transitions. [2022-01-19 00:32:57,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 122 transitions, 427 flow [2022-01-19 00:32:57,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 00:32:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 00:32:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 709 transitions. [2022-01-19 00:32:57,258 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.709 [2022-01-19 00:32:57,258 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 709 transitions. [2022-01-19 00:32:57,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 709 transitions. [2022-01-19 00:32:57,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:57,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 709 transitions. [2022-01-19 00:32:57,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 88.625) internal successors, (709), 8 states have internal predecessors, (709), 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) [2022-01-19 00:32:57,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:57,262 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:57,262 INFO L186 Difference]: Start difference. First operand has 133 places, 111 transitions, 274 flow. Second operand 8 states and 709 transitions. [2022-01-19 00:32:57,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 122 transitions, 427 flow [2022-01-19 00:32:57,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 122 transitions, 400 flow, removed 9 selfloop flow, removed 7 redundant places. [2022-01-19 00:32:57,267 INFO L242 Difference]: Finished difference. Result has 134 places, 109 transitions, 255 flow [2022-01-19 00:32:57,267 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=255, PETRI_PLACES=134, PETRI_TRANSITIONS=109} [2022-01-19 00:32:57,268 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 14 predicate places. [2022-01-19 00:32:57,269 INFO L470 AbstractCegarLoop]: Abstraction has has 134 places, 109 transitions, 255 flow [2022-01-19 00:32:57,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:57,269 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:57,269 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:57,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 00:32:57,269 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:57,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:57,270 INFO L85 PathProgramCache]: Analyzing trace with hash 503976363, now seen corresponding path program 5 times [2022-01-19 00:32:57,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:57,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604845719] [2022-01-19 00:32:57,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:57,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:57,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:57,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:57,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604845719] [2022-01-19 00:32:57,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604845719] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:57,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:57,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:32:57,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247076067] [2022-01-19 00:32:57,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:57,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:32:57,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:57,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:32:57,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:32:57,673 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 125 [2022-01-19 00:32:57,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 109 transitions, 255 flow. Second operand has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:57,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:57,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 125 [2022-01-19 00:32:57,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:58,024 INFO L129 PetriNetUnfolder]: 1/134 cut-off events. [2022-01-19 00:32:58,024 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-01-19 00:32:58,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 134 events. 1/134 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 105 event pairs, 0 based on Foata normal form. 1/135 useless extension candidates. Maximal degree in co-relation 215. Up to 30 conditions per place. [2022-01-19 00:32:58,025 INFO L132 encePairwiseOnDemand]: 117/125 looper letters, 37 selfloop transitions, 3 changer transitions 9/118 dead transitions. [2022-01-19 00:32:58,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 118 transitions, 396 flow [2022-01-19 00:32:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 00:32:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 00:32:58,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 706 transitions. [2022-01-19 00:32:58,027 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.706 [2022-01-19 00:32:58,027 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 706 transitions. [2022-01-19 00:32:58,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 706 transitions. [2022-01-19 00:32:58,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:58,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 706 transitions. [2022-01-19 00:32:58,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 88.25) internal successors, (706), 8 states have internal predecessors, (706), 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) [2022-01-19 00:32:58,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:58,030 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:58,031 INFO L186 Difference]: Start difference. First operand has 134 places, 109 transitions, 255 flow. Second operand 8 states and 706 transitions. [2022-01-19 00:32:58,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 118 transitions, 396 flow [2022-01-19 00:32:58,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 118 transitions, 356 flow, removed 10 selfloop flow, removed 11 redundant places. [2022-01-19 00:32:58,033 INFO L242 Difference]: Finished difference. Result has 130 places, 109 transitions, 247 flow [2022-01-19 00:32:58,033 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=247, PETRI_PLACES=130, PETRI_TRANSITIONS=109} [2022-01-19 00:32:58,034 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 10 predicate places. [2022-01-19 00:32:58,034 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 109 transitions, 247 flow [2022-01-19 00:32:58,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:58,034 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:32:58,034 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 00:32:58,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 00:32:58,035 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 00:32:58,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:32:58,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2126505447, now seen corresponding path program 6 times [2022-01-19 00:32:58,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:32:58,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287975459] [2022-01-19 00:32:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:32:58,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:32:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:32:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:32:58,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:32:58,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287975459] [2022-01-19 00:32:58,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287975459] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:32:58,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:32:58,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 00:32:58,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638819267] [2022-01-19 00:32:58,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:32:58,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 00:32:58,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:32:58,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 00:32:58,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 00:32:58,398 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 125 [2022-01-19 00:32:58,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 109 transitions, 247 flow. Second operand has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:58,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:32:58,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 125 [2022-01-19 00:32:58,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:32:58,702 INFO L129 PetriNetUnfolder]: 1/113 cut-off events. [2022-01-19 00:32:58,702 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-01-19 00:32:58,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 113 events. 1/113 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 1 based on Foata normal form. 1/113 useless extension candidates. Maximal degree in co-relation 175. Up to 32 conditions per place. [2022-01-19 00:32:58,703 INFO L132 encePairwiseOnDemand]: 117/125 looper letters, 0 selfloop transitions, 0 changer transitions 107/107 dead transitions. [2022-01-19 00:32:58,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 107 transitions, 325 flow [2022-01-19 00:32:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 00:32:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 00:32:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 697 transitions. [2022-01-19 00:32:58,704 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.697 [2022-01-19 00:32:58,704 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 697 transitions. [2022-01-19 00:32:58,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 697 transitions. [2022-01-19 00:32:58,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:32:58,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 697 transitions. [2022-01-19 00:32:58,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 87.125) internal successors, (697), 8 states have internal predecessors, (697), 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) [2022-01-19 00:32:58,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:58,707 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 125.0) internal successors, (1125), 9 states have internal predecessors, (1125), 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) [2022-01-19 00:32:58,707 INFO L186 Difference]: Start difference. First operand has 130 places, 109 transitions, 247 flow. Second operand 8 states and 697 transitions. [2022-01-19 00:32:58,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 107 transitions, 325 flow [2022-01-19 00:32:58,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 107 transitions, 313 flow, removed 3 selfloop flow, removed 5 redundant places. [2022-01-19 00:32:58,708 INFO L242 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2022-01-19 00:32:58,708 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2022-01-19 00:32:58,710 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 5 predicate places. [2022-01-19 00:32:58,710 INFO L470 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2022-01-19 00:32:58,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 87.71428571428571) internal successors, (614), 7 states have internal predecessors, (614), 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) [2022-01-19 00:32:58,713 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-19 00:32:58,713 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-19 00:32:58,713 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-19 00:32:58,713 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-19 00:32:58,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 00:32:58,716 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-01-19 00:32:58,718 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 00:32:58,718 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 00:32:58,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 12:32:58 BasicIcfg [2022-01-19 00:32:58,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 00:32:58,723 INFO L158 Benchmark]: Toolchain (without parser) took 7080.54ms. Allocated memory was 360.7MB in the beginning and 654.3MB in the end (delta: 293.6MB). Free memory was 307.3MB in the beginning and 366.0MB in the end (delta: -58.7MB). Peak memory consumption was 236.8MB. Max. memory is 16.0GB. [2022-01-19 00:32:58,724 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 360.7MB. Free memory is still 323.4MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 00:32:58,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.36ms. Allocated memory is still 360.7MB. Free memory was 307.1MB in the beginning and 331.0MB in the end (delta: -23.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.0GB. [2022-01-19 00:32:58,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.09ms. Allocated memory is still 360.7MB. Free memory was 331.0MB in the beginning and 328.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 00:32:58,727 INFO L158 Benchmark]: Boogie Preprocessor took 30.11ms. Allocated memory is still 360.7MB. Free memory was 328.8MB in the beginning and 326.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 00:32:58,727 INFO L158 Benchmark]: RCFGBuilder took 845.78ms. Allocated memory is still 360.7MB. Free memory was 326.5MB in the beginning and 231.2MB in the end (delta: 95.4MB). Peak memory consumption was 96.5MB. Max. memory is 16.0GB. [2022-01-19 00:32:58,728 INFO L158 Benchmark]: TraceAbstraction took 5964.08ms. Allocated memory was 360.7MB in the beginning and 654.3MB in the end (delta: 293.6MB). Free memory was 231.2MB in the beginning and 366.0MB in the end (delta: -134.8MB). Peak memory consumption was 160.8MB. Max. memory is 16.0GB. [2022-01-19 00:32:58,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 360.7MB. Free memory is still 323.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 202.36ms. Allocated memory is still 360.7MB. Free memory was 307.1MB in the beginning and 331.0MB in the end (delta: -23.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 33.09ms. Allocated memory is still 360.7MB. Free memory was 331.0MB in the beginning and 328.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 30.11ms. Allocated memory is still 360.7MB. Free memory was 328.8MB in the beginning and 326.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 845.78ms. Allocated memory is still 360.7MB. Free memory was 326.5MB in the beginning and 231.2MB in the end (delta: 95.4MB). Peak memory consumption was 96.5MB. Max. memory is 16.0GB. * TraceAbstraction took 5964.08ms. Allocated memory was 360.7MB in the beginning and 654.3MB in the end (delta: 293.6MB). Free memory was 231.2MB in the beginning and 366.0MB in the end (delta: -134.8MB). Peak memory consumption was 160.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 100]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 140 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 822 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 886 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 744 IncrementalHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 188 mSDtfsCounter, 744 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=3, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 654 NumberOfCodeBlocks, 654 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 648 ConstructedInterpolants, 0 QuantifiedInterpolants, 5404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-19 00:32:58,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...