/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 01:12:59,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 01:12:59,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 01:12:59,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 01:12:59,621 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-POR-DelaySleep-NoLbe-Random7777.epf [2021-06-07 01:12:59,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 01:12:59,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 01:12:59,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 01:12:59,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 01:12:59,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 01:12:59,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 01:12:59,637 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 01:12:59,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 01:12:59,637 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 01:12:59,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 01:12:59,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 01:12:59,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 01:12:59,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 01:12:59,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 01:12:59,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 01:12:59,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 01:12:59,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 01:12:59,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 01:12:59,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 01:12:59,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 01:12:59,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 01:12:59,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 01:12:59,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 01:12:59,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 01:12:59,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 01:12:59,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 01:12:59,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 01:12:59,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 01:12:59,639 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 01:12:59,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 01:12:59,640 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 01:12:59,640 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 01:12:59,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 01:12:59,640 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 01:12:59,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 01:12:59,640 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 01:12:59,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 01:12:59,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 01:12:59,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 01:12:59,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 01:12:59,903 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 01:12:59,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i [2021-06-07 01:12:59,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a7a4f74/76e4ba09c9ef4bf995fd21d2a29a371d/FLAGe228d4ce1 [2021-06-07 01:13:00,349 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 01:13:00,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i [2021-06-07 01:13:00,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a7a4f74/76e4ba09c9ef4bf995fd21d2a29a371d/FLAGe228d4ce1 [2021-06-07 01:13:00,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a7a4f74/76e4ba09c9ef4bf995fd21d2a29a371d [2021-06-07 01:13:00,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 01:13:00,384 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 01:13:00,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 01:13:00,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 01:13:00,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 01:13:00,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e95c988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00, skipping insertion in model container [2021-06-07 01:13:00,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 01:13:00,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 01:13:00,569 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i[949,962] [2021-06-07 01:13:00,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 01:13:00,718 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 01:13:00,727 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i[949,962] [2021-06-07 01:13:00,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 01:13:00,806 INFO L208 MainTranslator]: Completed translation [2021-06-07 01:13:00,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00 WrapperNode [2021-06-07 01:13:00,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 01:13:00,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 01:13:00,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 01:13:00,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 01:13:00,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 01:13:00,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 01:13:00,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 01:13:00,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 01:13:00,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... [2021-06-07 01:13:00,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 01:13:00,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 01:13:00,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 01:13:00,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 01:13:00,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 01:13:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 01:13:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 01:13:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 01:13:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 01:13:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 01:13:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 01:13:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 01:13:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 01:13:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 01:13:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 01:13:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 01:13:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 01:13:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 01:13:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 01:13:00,915 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 01:13:01,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 01:13:01,155 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 01:13:01,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:13:01 BoogieIcfgContainer [2021-06-07 01:13:01,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 01:13:01,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 01:13:01,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 01:13:01,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 01:13:01,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:13:00" (1/3) ... [2021-06-07 01:13:01,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd642b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:13:01, skipping insertion in model container [2021-06-07 01:13:01,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:13:00" (2/3) ... [2021-06-07 01:13:01,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd642b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:13:01, skipping insertion in model container [2021-06-07 01:13:01,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:13:01" (3/3) ... [2021-06-07 01:13:01,160 INFO L111 eAbstractionObserver]: Analyzing ICFG safe005_tso.opt.i [2021-06-07 01:13:01,164 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 01:13:01,164 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 01:13:01,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 01:13:01,165 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 01:13:01,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,181 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,181 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,182 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,182 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,183 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,183 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,185 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,185 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,191 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,191 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,194 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,194 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,200 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,200 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,202 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,202 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,202 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,202 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:13:01,205 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 01:13:01,219 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-07 01:13:01,272 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 01:13:01,272 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 01:13:01,272 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 01:13:01,272 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 01:13:01,272 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 01:13:01,272 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 01:13:01,274 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 01:13:01,274 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 01:13:01,314 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:13:01,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:13:01,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1403890559, now seen corresponding path program 1 times [2021-06-07 01:13:01,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:13:01,324 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647374806] [2021-06-07 01:13:01,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:13:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:13:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:13:01,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:13:01,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647374806] [2021-06-07 01:13:01,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647374806] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:13:01,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:13:01,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 01:13:01,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218484289] [2021-06-07 01:13:01,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 01:13:01,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:13:01,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 01:13:01,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-07 01:13:01,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:01,611 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:13:01,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:13:01,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:01,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:01,807 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 01:13:01,807 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:13:01,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:13:01,808 INFO L82 PathProgramCache]: Analyzing trace with hash 459310984, now seen corresponding path program 1 times [2021-06-07 01:13:01,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:13:01,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851085457] [2021-06-07 01:13:01,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:13:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:13:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:13:01,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:13:01,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851085457] [2021-06-07 01:13:01,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851085457] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:13:01,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:13:01,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:13:01,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954546343] [2021-06-07 01:13:01,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:13:01,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:13:01,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:13:01,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:13:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:01,928 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:13:01,928 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:13:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:02,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:02,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:13:02,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 01:13:02,258 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:13:02,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:13:02,264 INFO L82 PathProgramCache]: Analyzing trace with hash -2020002618, now seen corresponding path program 1 times [2021-06-07 01:13:02,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:13:02,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421890912] [2021-06-07 01:13:02,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:13:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:13:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:13:02,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:13:02,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421890912] [2021-06-07 01:13:02,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421890912] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:13:02,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:13:02,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:13:02,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529465897] [2021-06-07 01:13:02,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:13:02,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:13:02,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:13:02,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:13:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:02,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:13:02,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:13:02,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:02,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:13:02,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:03,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:03,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 01:13:03,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:13:03,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 01:13:03,258 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:13:03,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:13:03,259 INFO L82 PathProgramCache]: Analyzing trace with hash -179270745, now seen corresponding path program 2 times [2021-06-07 01:13:03,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:13:03,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091978402] [2021-06-07 01:13:03,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:13:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:13:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:13:03,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:13:03,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091978402] [2021-06-07 01:13:03,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091978402] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:13:03,331 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:13:03,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:13:03,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492362362] [2021-06-07 01:13:03,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:13:03,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:13:03,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:13:03,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:13:03,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:03,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:13:03,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:13:03,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:03,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 01:13:03,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:13:03,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:03,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:03,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 01:13:03,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:13:03,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:13:03,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 01:13:03,743 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:13:03,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:13:03,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1274710005, now seen corresponding path program 3 times [2021-06-07 01:13:03,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:13:03,747 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149790600] [2021-06-07 01:13:03,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:13:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:13:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:13:03,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:13:03,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149790600] [2021-06-07 01:13:03,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149790600] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:13:03,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:13:03,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:13:03,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401009819] [2021-06-07 01:13:03,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:13:03,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:13:03,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:13:03,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:13:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:03,825 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:13:03,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:13:03,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:03,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 01:13:03,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:13:03,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:13:03,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 01:13:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:13:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:13:04,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:13:04,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 01:13:04,303 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:13:04,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:13:04,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1619139316, now seen corresponding path program 1 times [2021-06-07 01:13:04,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:13:04,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449393897] [2021-06-07 01:13:04,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:13:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:13:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:13:04,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:13:04,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449393897] [2021-06-07 01:13:04,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449393897] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:13:04,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:13:04,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 01:13:04,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103872314] [2021-06-07 01:13:04,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 01:13:04,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:13:04,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 01:13:04,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-07 01:13:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:04,412 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:13:04,414 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:13:04,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 01:13:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:13:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:13:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:13:04,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:13:05,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:13:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 01:13:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:13:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:13:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:13:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 01:13:05,311 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-07 01:13:05,316 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 01:13:05,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:13:05 BasicIcfg [2021-06-07 01:13:05,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 01:13:05,318 INFO L168 Benchmark]: Toolchain (without parser) took 4933.73 ms. Allocated memory was 358.6 MB in the beginning and 836.8 MB in the end (delta: 478.2 MB). Free memory was 320.6 MB in the beginning and 619.0 MB in the end (delta: -298.4 MB). Peak memory consumption was 457.3 MB. Max. memory is 16.0 GB. [2021-06-07 01:13:05,318 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 358.6 MB. Free memory was 338.8 MB in the beginning and 338.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 01:13:05,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.03 ms. Allocated memory is still 358.6 MB. Free memory was 320.4 MB in the beginning and 321.3 MB in the end (delta: -918.6 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.0 GB. [2021-06-07 01:13:05,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.77 ms. Allocated memory is still 358.6 MB. Free memory was 321.3 MB in the beginning and 319.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 01:13:05,319 INFO L168 Benchmark]: Boogie Preprocessor took 12.59 ms. Allocated memory is still 358.6 MB. Free memory was 319.2 MB in the beginning and 317.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 01:13:05,319 INFO L168 Benchmark]: RCFGBuilder took 296.97 ms. Allocated memory is still 358.6 MB. Free memory was 317.1 MB in the beginning and 290.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-07 01:13:05,319 INFO L168 Benchmark]: TraceAbstraction took 4160.34 ms. Allocated memory was 358.6 MB in the beginning and 836.8 MB in the end (delta: 478.2 MB). Free memory was 290.9 MB in the beginning and 619.0 MB in the end (delta: -328.1 MB). Peak memory consumption was 426.9 MB. Max. memory is 16.0 GB. [2021-06-07 01:13:05,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 358.6 MB. Free memory was 338.8 MB in the beginning and 338.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 421.03 ms. Allocated memory is still 358.6 MB. Free memory was 320.4 MB in the beginning and 321.3 MB in the end (delta: -918.6 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.77 ms. Allocated memory is still 358.6 MB. Free memory was 321.3 MB in the beginning and 319.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.59 ms. Allocated memory is still 358.6 MB. Free memory was 319.2 MB in the beginning and 317.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 296.97 ms. Allocated memory is still 358.6 MB. Free memory was 317.1 MB in the beginning and 290.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4160.34 ms. Allocated memory was 358.6 MB in the beginning and 836.8 MB in the end (delta: 478.2 MB). Free memory was 290.9 MB in the beginning and 619.0 MB in the end (delta: -328.1 MB). Peak memory consumption was 426.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 149523, positive: 144390, positive conditional: 144390, positive unconditional: 0, negative: 5133, negative conditional: 5133, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 145423, positive: 144390, positive conditional: 144390, positive unconditional: 0, negative: 1033, negative conditional: 1033, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 145423, positive: 143360, positive conditional: 0, positive unconditional: 143360, negative: 2063, negative conditional: 0, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 859, positive: 839, positive conditional: 0, positive unconditional: 839, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 859, positive: 833, positive conditional: 0, positive unconditional: 833, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 45, negative conditional: 25, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 63, negative conditional: 27, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 145423, positive: 142521, positive conditional: 0, positive unconditional: 142521, negative: 2043, negative conditional: 0, negative unconditional: 2043, unknown: 859, unknown conditional: 0, unknown unconditional: 859] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 859, Positive conditional cache size: 20, Positive unconditional cache size: 839, Negative cache size: 45, Negative conditional cache size: 25, Negative unconditional cache size: 20, SemanticConditionEliminator.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 45, negative conditional: 25, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 63, negative conditional: 27, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7672, positive: 1010, positive conditional: 1010, positive unconditional: 0, negative: 6617, negative conditional: 962, negative unconditional: 5655, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 859, Positive conditional cache size: 20, Positive unconditional cache size: 839, Negative cache size: 45, Negative conditional cache size: 25, Negative unconditional cache size: 20, Eliminated conditions: 5655, SemanticConditionEliminator.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 45, negative conditional: 25, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 63, negative conditional: 27, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7672, positive: 1010, positive conditional: 1010, positive unconditional: 0, negative: 6617, negative conditional: 962, negative unconditional: 5655, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 859, Positive conditional cache size: 20, Positive unconditional cache size: 839, Negative cache size: 45, Negative conditional cache size: 25, Negative unconditional cache size: 20, Eliminated conditions: 5655, SemanticConditionEliminator.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 45, negative conditional: 25, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 63, negative conditional: 27, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7672, positive: 1010, positive conditional: 1010, positive unconditional: 0, negative: 6617, negative conditional: 962, negative unconditional: 5655, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 859, Positive conditional cache size: 20, Positive unconditional cache size: 839, Negative cache size: 45, Negative conditional cache size: 25, Negative unconditional cache size: 20, Eliminated conditions: 5655, SemanticConditionEliminator.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 45, negative conditional: 25, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 63, negative conditional: 27, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7672, positive: 1010, positive conditional: 1010, positive unconditional: 0, negative: 6617, negative conditional: 962, negative unconditional: 5655, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 859, Positive conditional cache size: 20, Positive unconditional cache size: 839, Negative cache size: 45, Negative conditional cache size: 25, Negative unconditional cache size: 20, Eliminated conditions: 5655, SemanticConditionEliminator.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 45, negative conditional: 25, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 63, negative conditional: 27, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7672, positive: 1010, positive conditional: 1010, positive unconditional: 0, negative: 6617, negative conditional: 962, negative unconditional: 5655, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 859, Positive conditional cache size: 20, Positive unconditional cache size: 839, Negative cache size: 45, Negative conditional cache size: 25, Negative unconditional cache size: 20, Eliminated conditions: 5655, SemanticConditionEliminator.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7672, positive: 1030, positive conditional: 1030, positive unconditional: 0, negative: 6642, negative conditional: 987, negative unconditional: 5655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 45, negative conditional: 25, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 63, negative conditional: 27, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7672, positive: 1010, positive conditional: 1010, positive unconditional: 0, negative: 6617, negative conditional: 962, negative unconditional: 5655, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 859, Positive conditional cache size: 20, Positive unconditional cache size: 839, Negative cache size: 45, Negative conditional cache size: 25, Negative unconditional cache size: 20, Eliminated conditions: 5655 ], Maximal queried relation: 6, Independence queries for same thread: 4100 - PositiveResult [Line: 18]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4079.2ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 3192.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.3ms SsaConstructionTime, 127.2ms SatisfiabilityAnalysisTime, 548.3ms InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 1440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...