/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 18:48:46,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 18:48:46,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 18:48:46,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 18:48:46,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 18:48:46,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 18:48:46,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 18:48:46,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 18:48:46,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 18:48:46,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 18:48:46,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 18:48:46,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 18:48:46,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 18:48:46,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 18:48:46,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 18:48:46,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 18:48:46,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 18:48:46,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 18:48:46,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 18:48:46,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 18:48:46,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 18:48:46,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 18:48:46,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 18:48:46,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 18:48:46,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 18:48:46,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 18:48:46,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 18:48:46,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 18:48:46,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 18:48:46,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 18:48:46,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 18:48:46,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 18:48:46,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 18:48:46,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 18:48:46,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 18:48:46,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 18:48:46,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 18:48:46,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 18:48:46,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 18:48:46,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 18:48:46,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 18:48:46,232 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 18:48:46,261 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 18:48:46,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 18:48:46,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 18:48:46,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 18:48:46,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 18:48:46,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 18:48:46,262 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 18:48:46,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 18:48:46,262 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 18:48:46,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 18:48:46,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 18:48:46,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 18:48:46,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 18:48:46,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 18:48:46,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 18:48:46,263 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 18:48:46,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 18:48:46,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 18:48:46,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 18:48:46,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 18:48:46,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 18:48:46,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 18:48:46,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 18:48:46,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:48:46,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 18:48:46,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 18:48:46,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 18:48:46,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 18:48:46,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 18:48:46,265 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 18:48:46,265 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 18:48:46,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 18:48:46,265 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 18:48:46,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 18:48:46,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 18:48:46,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 18:48:46,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 18:48:46,517 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 18:48:46,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-03-15 18:48:46,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ac12e43/16787b2e2f6941a2a88e1acec03f9de0/FLAG93fccf9e7 [2022-03-15 18:48:46,938 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 18:48:46,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-03-15 18:48:46,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ac12e43/16787b2e2f6941a2a88e1acec03f9de0/FLAG93fccf9e7 [2022-03-15 18:48:47,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ac12e43/16787b2e2f6941a2a88e1acec03f9de0 [2022-03-15 18:48:47,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 18:48:47,367 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 18:48:47,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 18:48:47,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 18:48:47,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 18:48:47,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae4867b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47, skipping insertion in model container [2022-03-15 18:48:47,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 18:48:47,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 18:48:47,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c[2333,2346] [2022-03-15 18:48:47,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:48:47,611 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 18:48:47,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c[2333,2346] [2022-03-15 18:48:47,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:48:47,662 INFO L208 MainTranslator]: Completed translation [2022-03-15 18:48:47,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47 WrapperNode [2022-03-15 18:48:47,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 18:48:47,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 18:48:47,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 18:48:47,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 18:48:47,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,705 INFO L137 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-03-15 18:48:47,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 18:48:47,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 18:48:47,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 18:48:47,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 18:48:47,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 18:48:47,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 18:48:47,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 18:48:47,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 18:48:47,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (1/1) ... [2022-03-15 18:48:47,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:48:47,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:48:47,772 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 18:48:47,792 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 18:48:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 18:48:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 18:48:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 18:48:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 18:48:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 18:48:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 18:48:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 18:48:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 18:48:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 18:48:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 18:48:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 18:48:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 18:48:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 18:48:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 18:48:47,818 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 18:48:47,878 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 18:48:47,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 18:48:48,135 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 18:48:48,152 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 18:48:48,152 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 18:48:48,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:48:48 BoogieIcfgContainer [2022-03-15 18:48:48,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 18:48:48,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 18:48:48,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 18:48:48,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 18:48:48,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 06:48:47" (1/3) ... [2022-03-15 18:48:48,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ad1fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:48:48, skipping insertion in model container [2022-03-15 18:48:48,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:48:47" (2/3) ... [2022-03-15 18:48:48,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ad1fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:48:48, skipping insertion in model container [2022-03-15 18:48:48,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:48:48" (3/3) ... [2022-03-15 18:48:48,167 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2022-03-15 18:48:48,171 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 18:48:48,171 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 18:48:48,172 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 18:48:48,172 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 18:48:48,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,251 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,252 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,252 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,252 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,252 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,252 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,254 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,254 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,254 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,259 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,259 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,265 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,266 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,274 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:48:48,294 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-15 18:48:48,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:48:48,346 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 18:48:48,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 18:48:48,364 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:48:48,372 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 124 transitions, 272 flow [2022-03-15 18:48:48,375 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 124 transitions, 272 flow [2022-03-15 18:48:48,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 124 transitions, 272 flow [2022-03-15 18:48:48,443 INFO L129 PetriNetUnfolder]: 8/121 cut-off events. [2022-03-15 18:48:48,443 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-03-15 18:48:48,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 121 events. 8/121 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 118 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2022-03-15 18:48:48,462 INFO L116 LiptonReduction]: Number of co-enabled transitions 1950 [2022-03-15 18:48:51,407 INFO L131 LiptonReduction]: Checked pairs total: 1941 [2022-03-15 18:48:51,407 INFO L133 LiptonReduction]: Total number of compositions: 122 [2022-03-15 18:48:51,414 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 64 flow [2022-03-15 18:48:51,436 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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 18:48:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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 18:48:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 18:48:51,442 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:48:51,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:48:51,442 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 18:48:51,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:48:51,446 INFO L85 PathProgramCache]: Analyzing trace with hash -444441124, now seen corresponding path program 1 times [2022-03-15 18:48:51,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:48:51,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91616235] [2022-03-15 18:48:51,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:48:51,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:48:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:48:52,098 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 18:48:52,099 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:48:52,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91616235] [2022-03-15 18:48:52,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91616235] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:48:52,100 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:48:52,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 18:48:52,101 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [16487950] [2022-03-15 18:48:52,102 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:48:52,106 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:48:52,127 INFO L252 McrAutomatonBuilder]: Finished intersection with 44 states and 80 transitions. [2022-03-15 18:48:52,128 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:48:57,347 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [225#(and (or (= (mod ~sponsored_0~0 256) 0) (= (mod ~sponsored_1~0 256) 0) (<= 0 ~result_5~0)) (or (not (= (mod ~sponsored_1~0 256) 0)) (= (mod ~sponsored_2~0 256) 0) (not (= (mod ~sponsored_0~0 256) 0)) (< ~result_5~0 0)) (or (not (= (mod ~sponsored_1~0 256) 0)) (<= ~result_5~0 0) (not (= (mod ~sponsored_0~0 256) 0))) (or (<= ~result_5~0 0) (= (mod ~sponsored_2~0 256) 0) (= (mod ~sponsored_0~0 256) 0) (= (mod ~sponsored_1~0 256) 0)) (or (not (= (mod ~sponsored_2~0 256) 0)) (not (= (mod ~sponsored_1~0 256) 0)) (not (= (mod ~sponsored_0~0 256) 0)) (<= 0 ~result_5~0)) (or (not (= (mod ~sponsored_2~0 256) 0)) (= (mod ~sponsored_0~0 256) 0) (< 0 ~result_5~0) (= (mod ~sponsored_1~0 256) 0))), 224#(and (or (= (mod ~sponsored_0~0 256) 0) (<= 0 ~result_4~0) (= (mod ~sponsored_1~0 256) 0)) (or (<= (+ ~result_4~0 1) 0) (not (= (mod ~sponsored_1~0 256) 0)) (not (= (mod ~sponsored_0~0 256) 0)) (= (+ ~sponsored_2~0 (* (div ~sponsored_2~0 256) (- 256))) 0)) (or (not (= (mod ~sponsored_1~0 256) 0)) (<= ~result_4~0 0) (not (= (mod ~sponsored_0~0 256) 0))) (or (not (= (+ ~sponsored_2~0 (* (div ~sponsored_2~0 256) (- 256))) 0)) (= (mod ~sponsored_0~0 256) 0) (= (mod ~sponsored_1~0 256) 0) (<= 1 ~result_4~0)) (or (<= ~result_4~0 0) (= (mod ~sponsored_0~0 256) 0) (= (+ ~sponsored_2~0 (* (div ~sponsored_2~0 256) (- 256))) 0) (= (mod ~sponsored_1~0 256) 0)) (or (not (= (+ ~sponsored_2~0 (* (div ~sponsored_2~0 256) (- 256))) 0)) (not (= (mod ~sponsored_1~0 256) 0)) (<= 0 ~result_4~0) (not (= (mod ~sponsored_0~0 256) 0)))), 222#(and (or (<= ~result_5~0 0) (= (mod ~sponsored_2~0 256) 0) (= ~result_3~0 1) (= (+ ~result_3~0 1) 0)) (or (= (mod ~sponsored_0~0 256) 0) (= ~result_3~0 1) (= (+ ~result_3~0 1) 0) (<= 0 ~result_5~0)) (or (not (= (mod ~sponsored_2~0 256) 0)) (= (mod ~sponsored_0~0 256) 0) (< 0 ~result_5~0) (= ~result_3~0 1) (= (+ ~result_3~0 1) 0)) (or (<= ~result_5~0 0) (not (= (mod ~sponsored_0~0 256) 0)) (= ~result_3~0 1) (= (+ ~result_3~0 1) 0)) (or (= (mod ~sponsored_2~0 256) 0) (not (= (mod ~sponsored_0~0 256) 0)) (= ~result_3~0 1) (< ~result_5~0 0) (= (+ ~result_3~0 1) 0)) (or (not (= (mod ~sponsored_2~0 256) 0)) (= ~result_3~0 1) (= (+ ~result_3~0 1) 0) (<= 0 ~result_5~0))), 223#(and (or (not (= (mod ~sponsored_1~0 256) 0)) (<= ~result_4~0 0) (not (= (mod ~sponsored_0~0 256) 0)) (< 0 ~result_5~0)) (or (<= ~result_4~0 0) (= (mod ~sponsored_0~0 256) 0) (< 0 ~result_5~0) (= (mod ~sponsored_1~0 256) 0)) (or (not (<= 0 ~result_5~0)) (= (mod ~sponsored_0~0 256) 0) (<= 0 ~result_4~0) (= (mod ~sponsored_1~0 256) 0)) (or (not (<= 0 ~result_4~0)) (not (= (mod ~sponsored_1~0 256) 0)) (not (= (mod ~sponsored_0~0 256) 0)) (<= 0 ~result_5~0)) (or (not (= (mod ~sponsored_1~0 256) 0)) (not (<= 0 ~result_5~0)) (<= 0 ~result_4~0) (not (= (mod ~sponsored_0~0 256) 0))) (or (<= ~result_5~0 0) (= (mod ~sponsored_0~0 256) 0) (< 0 ~result_4~0) (= (mod ~sponsored_1~0 256) 0)) (or (not (<= 0 ~result_4~0)) (= (mod ~sponsored_0~0 256) 0) (= (mod ~sponsored_1~0 256) 0) (<= 0 ~result_5~0)) (or (not (= (mod ~sponsored_1~0 256) 0)) (<= ~result_5~0 0) (not (= (mod ~sponsored_0~0 256) 0)) (< 0 ~result_4~0)))] [2022-03-15 18:48:57,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 18:48:57,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:48:57,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 18:48:57,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-03-15 18:48:57,373 INFO L87 Difference]: Start difference. First operand has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 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 18:48:58,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:48:58,573 INFO L93 Difference]: Finished difference Result 43 states and 79 transitions. [2022-03-15 18:48:58,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 18:48:58,575 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 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 16 [2022-03-15 18:48:58,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:48:58,579 INFO L225 Difference]: With dead ends: 43 [2022-03-15 18:48:58,579 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 18:48:58,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 10 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-03-15 18:48:58,582 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 18:48:58,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 18:48:58,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 18:48:58,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 18:48:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 18:48:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 18:48:58,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-03-15 18:48:58,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:48:58,598 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 18:48:58,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 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 18:48:58,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 18:48:58,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 18:48:58,600 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-15 18:48:58,601 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-15 18:48:58,601 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-15 18:48:58,601 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-15 18:48:58,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 18:48:58,603 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-15 18:48:58,605 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 18:48:58,605 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 18:48:58,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 06:48:58 BasicIcfg [2022-03-15 18:48:58,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 18:48:58,608 INFO L158 Benchmark]: Toolchain (without parser) took 11240.13ms. Allocated memory was 189.8MB in the beginning and 352.3MB in the end (delta: 162.5MB). Free memory was 131.6MB in the beginning and 187.7MB in the end (delta: -56.1MB). Peak memory consumption was 107.3MB. Max. memory is 8.0GB. [2022-03-15 18:48:58,608 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 18:48:58,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.15ms. Allocated memory was 189.8MB in the beginning and 244.3MB in the end (delta: 54.5MB). Free memory was 131.5MB in the beginning and 215.8MB in the end (delta: -84.3MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. [2022-03-15 18:48:58,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.56ms. Allocated memory is still 244.3MB. Free memory was 215.8MB in the beginning and 214.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 18:48:58,609 INFO L158 Benchmark]: Boogie Preprocessor took 30.91ms. Allocated memory is still 244.3MB. Free memory was 214.2MB in the beginning and 212.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 18:48:58,610 INFO L158 Benchmark]: RCFGBuilder took 419.31ms. Allocated memory is still 244.3MB. Free memory was 212.7MB in the beginning and 198.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-15 18:48:58,610 INFO L158 Benchmark]: TraceAbstraction took 10448.26ms. Allocated memory was 244.3MB in the beginning and 352.3MB in the end (delta: 108.0MB). Free memory was 197.5MB in the beginning and 187.7MB in the end (delta: 9.7MB). Peak memory consumption was 118.3MB. Max. memory is 8.0GB. [2022-03-15 18:48:58,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 294.15ms. Allocated memory was 189.8MB in the beginning and 244.3MB in the end (delta: 54.5MB). Free memory was 131.5MB in the beginning and 215.8MB in the end (delta: -84.3MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.56ms. Allocated memory is still 244.3MB. Free memory was 215.8MB in the beginning and 214.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.91ms. Allocated memory is still 244.3MB. Free memory was 214.2MB in the beginning and 212.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 419.31ms. Allocated memory is still 244.3MB. Free memory was 212.7MB in the beginning and 198.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 10448.26ms. Allocated memory was 244.3MB in the beginning and 352.3MB in the end (delta: 108.0MB). Free memory was 197.5MB in the beginning and 187.7MB in the end (delta: 9.7MB). Peak memory consumption was 118.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 126 PlacesBefore, 30 PlacesAfterwards, 124 TransitionsBefore, 20 TransitionsAfterwards, 1950 CoEnabledTransitionPairs, 6 FixpointIterations, 58 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 16 ConcurrentYvCompositions, 8 ChoiceCompositions, 122 TotalNumberOfCompositions, 1941 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1941, positive: 1941, positive conditional: 0, positive unconditional: 1941, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1139, positive: 1139, positive conditional: 0, positive unconditional: 1139, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1941, positive: 802, positive conditional: 0, positive unconditional: 802, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1139, unknown conditional: 0, unknown unconditional: 1139] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 77]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 156 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 218 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 10 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 651 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 18:48:58,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...