/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 14:16:42,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 14:16:42,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 14:16:42,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 14:16:42,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 14:16:42,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 14:16:42,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 14:16:42,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-15 14:16:42,907 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 14:16:42,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 14:16:42,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 14:16:42,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 14:16:42,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 14:16:42,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 14:16:42,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 14:16:42,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 14:16:42,910 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 14:16:42,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 14:16:42,910 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 14:16:42,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 14:16:42,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 14:16:42,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 14:16:42,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 14:16:42,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 14:16:42,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 14:16:42,911 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 14:16:42,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 14:16:42,911 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 14:16:42,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 14:16:42,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 14:16:42,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 14:16:42,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 14:16:42,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 14:16:42,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:16:42,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 14:16:42,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 14:16:42,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 14:16:42,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 14:16:42,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 14:16:42,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 14:16:42,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 14:16:42,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 14:16:43,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 14:16:43,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 14:16:43,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 14:16:43,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 14:16:43,099 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 14:16:43,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2022-03-15 14:16:43,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020293baa/f2b4356ed4b94dc2ad19ccdc43a5c739/FLAGeb1421547 [2022-03-15 14:16:43,499 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 14:16:43,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2022-03-15 14:16:43,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020293baa/f2b4356ed4b94dc2ad19ccdc43a5c739/FLAGeb1421547 [2022-03-15 14:16:43,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020293baa/f2b4356ed4b94dc2ad19ccdc43a5c739 [2022-03-15 14:16:43,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 14:16:43,517 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 14:16:43,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 14:16:43,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 14:16:43,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 14:16:43,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2dd970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43, skipping insertion in model container [2022-03-15 14:16:43,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 14:16:43,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 14:16:43,698 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/popl20-more-dec-subseq.wvr.c[2924,2937] [2022-03-15 14:16:43,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:16:43,711 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 14:16:43,729 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/popl20-more-dec-subseq.wvr.c[2924,2937] [2022-03-15 14:16:43,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:16:43,740 INFO L208 MainTranslator]: Completed translation [2022-03-15 14:16:43,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43 WrapperNode [2022-03-15 14:16:43,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 14:16:43,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 14:16:43,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 14:16:43,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 14:16:43,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,769 INFO L137 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 191 [2022-03-15 14:16:43,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 14:16:43,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 14:16:43,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 14:16:43,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 14:16:43,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 14:16:43,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 14:16:43,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 14:16:43,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 14:16:43,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (1/1) ... [2022-03-15 14:16:43,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:16:43,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:16:43,820 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) [2022-03-15 14:16:43,826 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 [2022-03-15 14:16:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 14:16:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 14:16:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 14:16:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 14:16:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 14:16:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 14:16:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 14:16:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 14:16:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 14:16:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 14:16:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 14:16:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 14:16:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 14:16:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 14:16:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 14:16:43,850 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 14:16:43,946 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 14:16:43,947 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 14:16:44,162 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 14:16:44,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 14:16:44,206 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-15 14:16:44,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:16:44 BoogieIcfgContainer [2022-03-15 14:16:44,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 14:16:44,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 14:16:44,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 14:16:44,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 14:16:44,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 02:16:43" (1/3) ... [2022-03-15 14:16:44,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae9c632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:16:44, skipping insertion in model container [2022-03-15 14:16:44,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:16:43" (2/3) ... [2022-03-15 14:16:44,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae9c632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:16:44, skipping insertion in model container [2022-03-15 14:16:44,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:16:44" (3/3) ... [2022-03-15 14:16:44,218 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2022-03-15 14:16:44,221 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 14:16:44,221 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 14:16:44,221 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 14:16:44,221 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 14:16:44,256 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,256 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,256 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,256 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,272 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:16:44,275 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 14:16:44,302 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 14:16:44,307 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 14:16:44,307 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 14:16:44,315 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 181 places, 189 transitions, 394 flow [2022-03-15 14:16:44,379 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 704 states, 703 states have (on average 2.52773826458037) internal successors, (1777), 703 states have internal predecessors, (1777), 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) [2022-03-15 14:16:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 704 states, 703 states have (on average 2.52773826458037) internal successors, (1777), 703 states have internal predecessors, (1777), 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) [2022-03-15 14:16:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-15 14:16:44,396 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:16:44,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:16:44,397 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:16:44,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:16:44,400 INFO L85 PathProgramCache]: Analyzing trace with hash -7555604, now seen corresponding path program 1 times [2022-03-15 14:16:44,406 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:16:44,406 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845560799] [2022-03-15 14:16:44,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:16:44,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:16:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:16:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:16:44,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:16:44,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845560799] [2022-03-15 14:16:44,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845560799] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:16:44,611 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:16:44,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 14:16:44,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563637194] [2022-03-15 14:16:44,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:16:44,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 14:16:44,615 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:16:44,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 14:16:44,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 14:16:44,641 INFO L87 Difference]: Start difference. First operand has 704 states, 703 states have (on average 2.52773826458037) internal successors, (1777), 703 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 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) [2022-03-15 14:16:44,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:16:44,696 INFO L93 Difference]: Finished difference Result 704 states and 1672 transitions. [2022-03-15 14:16:44,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 14:16:44,698 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-03-15 14:16:44,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:16:44,719 INFO L225 Difference]: With dead ends: 704 [2022-03-15 14:16:44,719 INFO L226 Difference]: Without dead ends: 698 [2022-03-15 14:16:44,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 14:16:44,722 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:16:44,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:16:44,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2022-03-15 14:16:44,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698. [2022-03-15 14:16:44,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 697 states have (on average 2.3902439024390243) internal successors, (1666), 697 states have internal predecessors, (1666), 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) [2022-03-15 14:16:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1666 transitions. [2022-03-15 14:16:44,801 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1666 transitions. Word has length 132 [2022-03-15 14:16:44,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:16:44,802 INFO L470 AbstractCegarLoop]: Abstraction has 698 states and 1666 transitions. [2022-03-15 14:16:44,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 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) [2022-03-15 14:16:44,802 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1666 transitions. [2022-03-15 14:16:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-15 14:16:44,810 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:16:44,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:16:44,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 14:16:44,811 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:16:44,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:16:44,813 INFO L85 PathProgramCache]: Analyzing trace with hash 962025419, now seen corresponding path program 1 times [2022-03-15 14:16:44,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:16:44,814 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160839594] [2022-03-15 14:16:44,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:16:44,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:16:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:16:45,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:16:45,087 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:16:45,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160839594] [2022-03-15 14:16:45,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160839594] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:16:45,088 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:16:45,088 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 14:16:45,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785676605] [2022-03-15 14:16:45,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:16:45,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 14:16:45,091 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:16:45,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 14:16:45,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-15 14:16:45,095 INFO L87 Difference]: Start difference. First operand 698 states and 1666 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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) [2022-03-15 14:16:45,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:16:45,246 INFO L93 Difference]: Finished difference Result 1118 states and 2818 transitions. [2022-03-15 14:16:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 14:16:45,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-03-15 14:16:45,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:16:45,252 INFO L225 Difference]: With dead ends: 1118 [2022-03-15 14:16:45,253 INFO L226 Difference]: Without dead ends: 1118 [2022-03-15 14:16:45,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-03-15 14:16:45,254 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 132 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:16:45,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 431 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:16:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2022-03-15 14:16:45,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 740. [2022-03-15 14:16:45,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 739 states have (on average 2.404600811907984) internal successors, (1777), 739 states have internal predecessors, (1777), 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) [2022-03-15 14:16:45,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1777 transitions. [2022-03-15 14:16:45,301 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1777 transitions. Word has length 132 [2022-03-15 14:16:45,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:16:45,302 INFO L470 AbstractCegarLoop]: Abstraction has 740 states and 1777 transitions. [2022-03-15 14:16:45,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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) [2022-03-15 14:16:45,302 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1777 transitions. [2022-03-15 14:16:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-03-15 14:16:45,304 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:16:45,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:16:45,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 14:16:45,305 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:16:45,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:16:45,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1932159763, now seen corresponding path program 1 times [2022-03-15 14:16:45,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:16:45,306 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357597943] [2022-03-15 14:16:45,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:16:45,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:16:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:16:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:16:45,453 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:16:45,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357597943] [2022-03-15 14:16:45,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357597943] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:16:45,454 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:16:45,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:16:45,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94280622] [2022-03-15 14:16:45,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:16:45,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:16:45,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:16:45,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:16:45,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:16:45,456 INFO L87 Difference]: Start difference. First operand 740 states and 1777 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 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) [2022-03-15 14:16:45,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:16:45,559 INFO L93 Difference]: Finished difference Result 1185 states and 2913 transitions. [2022-03-15 14:16:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 14:16:45,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-03-15 14:16:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:16:45,565 INFO L225 Difference]: With dead ends: 1185 [2022-03-15 14:16:45,565 INFO L226 Difference]: Without dead ends: 1124 [2022-03-15 14:16:45,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:16:45,569 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 318 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:16:45,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [318 Valid, 484 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:16:45,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-03-15 14:16:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 741. [2022-03-15 14:16:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 740 states have (on average 2.402702702702703) internal successors, (1778), 740 states have internal predecessors, (1778), 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) [2022-03-15 14:16:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1778 transitions. [2022-03-15 14:16:45,588 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1778 transitions. Word has length 137 [2022-03-15 14:16:45,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:16:45,589 INFO L470 AbstractCegarLoop]: Abstraction has 741 states and 1778 transitions. [2022-03-15 14:16:45,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 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) [2022-03-15 14:16:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1778 transitions. [2022-03-15 14:16:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-03-15 14:16:45,591 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:16:45,592 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:16:45,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 14:16:45,592 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:16:45,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:16:45,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1113696768, now seen corresponding path program 1 times [2022-03-15 14:16:45,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:16:45,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701360175] [2022-03-15 14:16:45,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:16:45,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:16:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:16:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:16:45,715 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:16:45,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701360175] [2022-03-15 14:16:45,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701360175] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:16:45,715 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:16:45,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 14:16:45,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854611440] [2022-03-15 14:16:45,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:16:45,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 14:16:45,716 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:16:45,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 14:16:45,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 14:16:45,716 INFO L87 Difference]: Start difference. First operand 741 states and 1778 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2022-03-15 14:16:45,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:16:45,774 INFO L93 Difference]: Finished difference Result 1101 states and 2768 transitions. [2022-03-15 14:16:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 14:16:45,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2022-03-15 14:16:45,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:16:45,778 INFO L225 Difference]: With dead ends: 1101 [2022-03-15 14:16:45,778 INFO L226 Difference]: Without dead ends: 918 [2022-03-15 14:16:45,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:16:45,780 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 19 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:16:45,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 483 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:16:45,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2022-03-15 14:16:45,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 800. [2022-03-15 14:16:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 799 states have (on average 2.430538172715895) internal successors, (1942), 799 states have internal predecessors, (1942), 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) [2022-03-15 14:16:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1942 transitions. [2022-03-15 14:16:45,798 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1942 transitions. Word has length 144 [2022-03-15 14:16:45,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:16:45,798 INFO L470 AbstractCegarLoop]: Abstraction has 800 states and 1942 transitions. [2022-03-15 14:16:45,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2022-03-15 14:16:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1942 transitions. [2022-03-15 14:16:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-03-15 14:16:45,801 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:16:45,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:16:45,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 14:16:45,801 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:16:45,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:16:45,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1975010592, now seen corresponding path program 1 times [2022-03-15 14:16:45,802 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:16:45,802 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103383113] [2022-03-15 14:16:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:16:45,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:16:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:16:45,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:16:45,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:16:45,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103383113] [2022-03-15 14:16:45,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103383113] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:16:45,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:16:45,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 14:16:45,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457639003] [2022-03-15 14:16:45,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:16:45,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 14:16:45,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:16:45,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 14:16:45,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-15 14:16:45,921 INFO L87 Difference]: Start difference. First operand 800 states and 1942 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 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) [2022-03-15 14:16:45,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:16:45,963 INFO L93 Difference]: Finished difference Result 976 states and 2324 transitions. [2022-03-15 14:16:45,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 14:16:45,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2022-03-15 14:16:45,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:16:45,967 INFO L225 Difference]: With dead ends: 976 [2022-03-15 14:16:45,967 INFO L226 Difference]: Without dead ends: 898 [2022-03-15 14:16:45,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-15 14:16:45,968 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 36 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:16:45,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 524 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:16:45,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2022-03-15 14:16:45,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 880. [2022-03-15 14:16:45,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 879 states have (on average 2.4175199089874857) internal successors, (2125), 879 states have internal predecessors, (2125), 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) [2022-03-15 14:16:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 2125 transitions. [2022-03-15 14:16:45,986 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 2125 transitions. Word has length 149 [2022-03-15 14:16:45,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:16:45,986 INFO L470 AbstractCegarLoop]: Abstraction has 880 states and 2125 transitions. [2022-03-15 14:16:45,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 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) [2022-03-15 14:16:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 2125 transitions. [2022-03-15 14:16:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-15 14:16:45,989 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:16:45,989 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:16:45,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 14:16:45,989 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:16:45,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:16:45,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1498906467, now seen corresponding path program 1 times [2022-03-15 14:16:45,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:16:45,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767440720] [2022-03-15 14:16:45,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:16:45,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:16:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:16:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:16:46,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:16:46,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767440720] [2022-03-15 14:16:46,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767440720] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:16:46,067 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:16:46,067 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 14:16:46,067 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535573646] [2022-03-15 14:16:46,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:16:46,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 14:16:46,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:16:46,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 14:16:46,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 14:16:46,068 INFO L87 Difference]: Start difference. First operand 880 states and 2125 transitions. Second operand has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 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) [2022-03-15 14:16:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:16:46,168 INFO L93 Difference]: Finished difference Result 1065 states and 2473 transitions. [2022-03-15 14:16:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 14:16:46,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2022-03-15 14:16:46,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:16:46,172 INFO L225 Difference]: With dead ends: 1065 [2022-03-15 14:16:46,172 INFO L226 Difference]: Without dead ends: 886 [2022-03-15 14:16:46,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:16:46,174 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 107 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:16:46,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 632 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:16:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2022-03-15 14:16:46,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 881. [2022-03-15 14:16:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 880 states have (on average 2.415909090909091) internal successors, (2126), 880 states have internal predecessors, (2126), 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) [2022-03-15 14:16:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 2126 transitions. [2022-03-15 14:16:46,189 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 2126 transitions. Word has length 153 [2022-03-15 14:16:46,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:16:46,189 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 2126 transitions. [2022-03-15 14:16:46,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 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) [2022-03-15 14:16:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 2126 transitions. [2022-03-15 14:16:46,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-03-15 14:16:46,191 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:16:46,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:16:46,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 14:16:46,192 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:16:46,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:16:46,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1833342822, now seen corresponding path program 1 times [2022-03-15 14:16:46,193 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:16:46,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837436265] [2022-03-15 14:16:46,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:16:46,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:16:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:16:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:16:47,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:16:47,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837436265] [2022-03-15 14:16:47,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837436265] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:16:47,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670001871] [2022-03-15 14:16:47,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:16:47,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:16:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:16:47,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:16:47,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 14:16:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:16:47,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 56 conjunts are in the unsatisfiable core [2022-03-15 14:16:47,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:16:47,557 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:16:47,859 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 14:16:47,859 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-15 14:16:49,596 INFO L353 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-03-15 14:16:49,597 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 44 [2022-03-15 14:16:49,616 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-03-15 14:16:49,988 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 14:16:49,989 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2022-03-15 14:16:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:16:50,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:16:50,785 INFO L353 Elim1Store]: treesize reduction 23, result has 58.2 percent of original size [2022-03-15 14:16:50,786 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 68 [2022-03-15 14:16:50,796 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-03-15 14:16:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:16:53,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670001871] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:16:53,417 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:16:53,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26, 27] total 70 [2022-03-15 14:16:53,417 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292584822] [2022-03-15 14:16:53,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:16:53,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-03-15 14:16:53,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:16:53,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-03-15 14:16:53,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=4346, Unknown=3, NotChecked=0, Total=4830 [2022-03-15 14:16:53,419 INFO L87 Difference]: Start difference. First operand 881 states and 2126 transitions. Second operand has 70 states, 70 states have (on average 5.8428571428571425) internal successors, (409), 70 states have internal predecessors, (409), 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) [2022-03-15 14:17:02,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:17:02,684 INFO L93 Difference]: Finished difference Result 3041 states and 7539 transitions. [2022-03-15 14:17:02,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-03-15 14:17:02,685 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 5.8428571428571425) internal successors, (409), 70 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2022-03-15 14:17:02,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:17:02,695 INFO L225 Difference]: With dead ends: 3041 [2022-03-15 14:17:02,695 INFO L226 Difference]: Without dead ends: 3032 [2022-03-15 14:17:02,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 294 SyntacticMatches, 11 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6073 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=3004, Invalid=18454, Unknown=4, NotChecked=0, Total=21462 [2022-03-15 14:17:02,699 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 3177 mSDsluCounter, 6139 mSDsCounter, 0 mSdLazyCounter, 2285 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3177 SdHoareTripleChecker+Valid, 5974 SdHoareTripleChecker+Invalid, 3343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 2285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 887 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:17:02,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3177 Valid, 5974 Invalid, 3343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 2285 Invalid, 0 Unknown, 887 Unchecked, 1.2s Time] [2022-03-15 14:17:02,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2022-03-15 14:17:02,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 1298. [2022-03-15 14:17:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 1297 states have (on average 2.3554356206630684) internal successors, (3055), 1297 states have internal predecessors, (3055), 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) [2022-03-15 14:17:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 3055 transitions. [2022-03-15 14:17:02,729 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 3055 transitions. Word has length 160 [2022-03-15 14:17:02,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:17:02,729 INFO L470 AbstractCegarLoop]: Abstraction has 1298 states and 3055 transitions. [2022-03-15 14:17:02,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 5.8428571428571425) internal successors, (409), 70 states have internal predecessors, (409), 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) [2022-03-15 14:17:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 3055 transitions. [2022-03-15 14:17:02,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-03-15 14:17:02,732 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:17:02,732 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:17:02,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-15 14:17:02,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:17:02,947 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 14:17:02,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:17:02,948 INFO L85 PathProgramCache]: Analyzing trace with hash -106851558, now seen corresponding path program 2 times [2022-03-15 14:17:02,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:17:02,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289200303] [2022-03-15 14:17:02,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:17:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:17:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:17:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:17:03,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:17:03,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289200303] [2022-03-15 14:17:03,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289200303] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:17:03,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450825309] [2022-03-15 14:17:03,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 14:17:03,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:17:03,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:17:03,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:17:03,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 14:17:03,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 14:17:03,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:17:03,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 68 conjunts are in the unsatisfiable core [2022-03-15 14:17:03,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:17:03,894 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:17:03,915 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-03-15 14:17:03,916 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-03-15 14:17:04,278 INFO L353 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-03-15 14:17:04,279 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-03-15 14:17:04,497 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 14:17:05,219 INFO L353 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-03-15 14:17:05,219 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 25 [2022-03-15 14:17:05,398 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:17:05,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:17:06,257 INFO L353 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-03-15 14:17:06,257 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 44 [2022-03-15 14:17:06,272 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-03-15 14:17:06,542 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 14:17:06,542 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2022-03-15 14:17:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:17:06,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:17:11,158 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:17:11,159 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 86 [2022-03-15 14:17:11,201 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:17:11,202 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 14912 treesize of output 13217 [2022-03-15 14:17:11,282 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:17:11,283 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 13217 treesize of output 11921 [2022-03-15 14:17:11,375 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:17:11,376 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 11921 treesize of output 9281 [2022-03-15 14:17:11,490 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8189 treesize of output 6653 [2022-03-15 14:17:11,534 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-03-15 14:17:11,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 14:17:11,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-03-15 14:17:11,744 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-15 14:17:11,746 INFO L158 Benchmark]: Toolchain (without parser) took 28229.80ms. Allocated memory was 205.5MB in the beginning and 415.2MB in the end (delta: 209.7MB). Free memory was 155.2MB in the beginning and 223.1MB in the end (delta: -67.9MB). Peak memory consumption was 224.0MB. Max. memory is 8.0GB. [2022-03-15 14:17:11,747 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 14:17:11,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.41ms. Allocated memory is still 205.5MB. Free memory was 155.0MB in the beginning and 180.6MB in the end (delta: -25.6MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-03-15 14:17:11,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.85ms. Allocated memory is still 205.5MB. Free memory was 180.6MB in the beginning and 178.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 14:17:11,747 INFO L158 Benchmark]: Boogie Preprocessor took 28.12ms. Allocated memory is still 205.5MB. Free memory was 178.0MB in the beginning and 176.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 14:17:11,747 INFO L158 Benchmark]: RCFGBuilder took 409.20ms. Allocated memory is still 205.5MB. Free memory was 176.4MB in the beginning and 154.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-03-15 14:17:11,749 INFO L158 Benchmark]: TraceAbstraction took 27537.40ms. Allocated memory was 205.5MB in the beginning and 415.2MB in the end (delta: 209.7MB). Free memory was 154.4MB in the beginning and 223.1MB in the end (delta: -68.7MB). Peak memory consumption was 222.7MB. Max. memory is 8.0GB. [2022-03-15 14:17:11,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 213.41ms. Allocated memory is still 205.5MB. Free memory was 155.0MB in the beginning and 180.6MB in the end (delta: -25.6MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.85ms. Allocated memory is still 205.5MB. Free memory was 180.6MB in the beginning and 178.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.12ms. Allocated memory is still 205.5MB. Free memory was 178.0MB in the beginning and 176.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 409.20ms. Allocated memory is still 205.5MB. Free memory was 176.4MB in the beginning and 154.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 27537.40ms. Allocated memory was 205.5MB in the beginning and 415.2MB in the end (delta: 209.7MB). Free memory was 154.4MB in the beginning and 223.1MB in the end (delta: -68.7MB). Peak memory consumption was 222.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-15 14:17:11,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...