./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:20:42,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:20:42,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:20:42,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:20:42,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:20:42,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:20:42,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:20:42,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:20:42,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:20:42,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:20:42,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:20:42,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:20:42,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:20:42,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:20:42,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:20:42,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:20:42,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:20:42,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:20:42,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:20:42,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:20:42,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:20:42,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:20:42,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:20:42,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:20:42,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:20:42,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:20:42,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:20:42,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:20:42,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:20:42,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:20:42,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:20:42,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:20:42,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:20:42,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:20:42,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:20:42,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:20:42,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:20:42,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:20:42,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:20:42,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:20:42,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:20:42,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:20:42,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:20:42,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:20:42,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:20:42,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:20:42,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:20:42,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:20:42,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:20:42,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:20:42,719 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:20:42,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:20:42,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:20:42,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:20:42,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:20:42,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:20:42,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:20:42,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:20:42,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:20:42,720 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:20:42,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:20:42,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:20:42,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:20:42,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:20:42,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:20:42,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:20:42,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:20:42,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:42,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:20:42,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:20:42,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:20:42,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:20:42,723 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:20:42,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:20:42,723 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:20:42,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:20:42,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:20:42,724 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:20:42,724 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:20:42,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2021-11-23 14:20:43,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:20:43,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:20:43,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:20:43,109 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:20:43,110 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:20:43,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-23 14:20:43,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/data/b7c207560/0eedf70cfb734f6ebd14e751fad2f3d3/FLAG2696b430d [2021-11-23 14:20:43,760 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:20:43,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-23 14:20:43,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/data/b7c207560/0eedf70cfb734f6ebd14e751fad2f3d3/FLAG2696b430d [2021-11-23 14:20:44,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/data/b7c207560/0eedf70cfb734f6ebd14e751fad2f3d3 [2021-11-23 14:20:44,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:20:44,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:20:44,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:44,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:20:44,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:20:44,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a79f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44, skipping insertion in model container [2021-11-23 14:20:44,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:20:44,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:20:44,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-23 14:20:44,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:44,698 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:20:44,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-23 14:20:44,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:44,826 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:20:44,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44 WrapperNode [2021-11-23 14:20:44,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:44,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:44,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:20:44,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:20:44,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,917 INFO L137 Inliner]: procedures = 171, calls = 26, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 83 [2021-11-23 14:20:44,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:44,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:20:44,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:20:44,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:20:44,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:20:44,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:20:44,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:20:44,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:20:44,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:45,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:45,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:45,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:20:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:20:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 14:20:45,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 14:20:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:20:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:20:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:20:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:20:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:20:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:20:45,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:20:45,081 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 14:20:45,244 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:20:45,246 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:20:45,535 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:20:45,604 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:20:45,604 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 14:20:45,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:45 BoogieIcfgContainer [2021-11-23 14:20:45,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:20:45,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:20:45,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:20:45,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:20:45,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:20:44" (1/3) ... [2021-11-23 14:20:45,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f974d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:45, skipping insertion in model container [2021-11-23 14:20:45,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (2/3) ... [2021-11-23 14:20:45,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f974d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:45, skipping insertion in model container [2021-11-23 14:20:45,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:45" (3/3) ... [2021-11-23 14:20:45,616 INFO L111 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur.i [2021-11-23 14:20:45,621 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:20:45,622 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:20:45,622 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 14:20:45,622 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:20:45,648 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,648 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,648 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,649 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,649 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,649 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,649 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,649 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,650 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,650 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,650 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,650 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,651 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,651 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,651 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,651 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,652 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,652 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,652 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,652 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,652 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,652 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,653 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,653 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,653 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,653 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,653 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,653 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,654 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,654 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,654 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,654 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,654 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,655 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,655 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,655 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,655 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,656 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,656 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,656 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,656 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,656 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,657 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,657 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,657 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,657 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,657 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,658 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,658 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,658 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,658 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,658 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,659 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,659 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,659 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,659 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,660 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,660 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,660 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,660 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,660 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,661 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,661 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,661 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,661 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,662 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,662 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,662 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,662 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,662 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,663 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,663 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,663 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,663 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,663 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,664 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,664 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,664 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,664 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,664 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,665 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,665 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,665 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,665 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,666 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,666 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,666 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,666 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,667 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,667 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,667 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,667 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,668 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,668 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,668 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,668 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,669 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,669 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,669 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,669 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,669 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,670 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,670 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,670 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,670 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,671 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,671 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,671 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,671 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,671 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,672 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,672 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,672 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,672 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,673 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,673 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,673 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,673 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,673 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,674 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,674 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,674 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,678 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,679 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,679 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,679 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,680 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,680 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,680 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,680 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,681 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,681 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,684 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,685 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,685 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,685 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,685 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,686 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,686 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,686 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,687 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,688 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,688 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,688 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,688 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,689 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,689 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,689 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,689 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,690 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,690 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,694 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 14:20:45,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:20:45,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:45,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:45,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:20:45,810 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-11-23 14:20:45,817 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 14:20:45,818 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 14:20:46,024 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:46,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:46,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1230289989, now seen corresponding path program 1 times [2021-11-23 14:20:46,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:46,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632462727] [2021-11-23 14:20:46,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:46,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:46,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:46,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632462727] [2021-11-23 14:20:46,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632462727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:46,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:46,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:20:46,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209858658] [2021-11-23 14:20:46,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:46,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:20:46,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:46,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:20:46,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:20:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,303 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:46,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-11-23 14:20:46,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:20:46,334 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:46,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash -150650450, now seen corresponding path program 1 times [2021-11-23 14:20:46,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:46,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179552554] [2021-11-23 14:20:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:46,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:46,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:46,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179552554] [2021-11-23 14:20:46,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179552554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:46,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:46,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 14:20:46,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002793829] [2021-11-23 14:20:46,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:46,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 14:20:46,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:46,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 14:20:46,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 14:20:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,489 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:46,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 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) [2021-11-23 14:20:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:20:46,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:20:46,614 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:46,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:46,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1265547001, now seen corresponding path program 1 times [2021-11-23 14:20:46,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:46,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493237443] [2021-11-23 14:20:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:46,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:46,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:46,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493237443] [2021-11-23 14:20:46,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493237443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:46,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:46,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 14:20:46,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676313780] [2021-11-23 14:20:46,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:46,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:20:46,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:46,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:20:46,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:20:46,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,786 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:46,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2021-11-23 14:20:46,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:20:46,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:20:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:20:47,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 14:20:47,254 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:47,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash 588955704, now seen corresponding path program 1 times [2021-11-23 14:20:47,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:47,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448616585] [2021-11-23 14:20:47,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:47,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:47,706 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:47,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:47,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448616585] [2021-11-23 14:20:47,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448616585] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:47,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818582873] [2021-11-23 14:20:47,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:47,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:47,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:47,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:47,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:20:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:47,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 14:20:47,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:47,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 14:20:48,131 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 14:20:48,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-23 14:20:48,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 14:20:48,652 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:20:48,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-11-23 14:20:48,941 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:48,974 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-23 14:20:48,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 25 [2021-11-23 14:20:49,041 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:49,081 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 14:20:49,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 30 [2021-11-23 14:20:49,169 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 14:20:49,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:20:49,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-23 14:20:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:49,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:54,241 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 14:20:54,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 89 [2021-11-23 14:20:54,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-23 14:20:54,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-23 14:20:54,382 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 14:20:54,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 65 [2021-11-23 14:20:55,693 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:20:55,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 53 [2021-11-23 14:20:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:55,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818582873] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:55,783 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:20:55,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 30 [2021-11-23 14:20:55,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750628273] [2021-11-23 14:20:55,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:55,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-23 14:20:55,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:55,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-23 14:20:55,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=738, Unknown=5, NotChecked=0, Total=870 [2021-11-23 14:20:55,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:55,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:55,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.733333333333333) internal successors, (202), 30 states have internal predecessors, (202), 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) [2021-11-23 14:20:55,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:55,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:20:55,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:20:55,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:00,246 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_#t~pre7#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre7#1|)) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) (not (= |c_thr1Thread1of1ForFork0_push_#t~mem6#1| 0))) is different from false [2021-11-23 14:21:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:21:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-23 14:21:01,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:21:01,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-23 14:21:01,217 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:21:01,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:01,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1185695554, now seen corresponding path program 2 times [2021-11-23 14:21:01,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:01,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563666860] [2021-11-23 14:21:01,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:01,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:02,179 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:21:02,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:02,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563666860] [2021-11-23 14:21:02,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563666860] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:02,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009999433] [2021-11-23 14:21:02,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:21:02,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:02,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:02,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:02,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 14:21:02,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:21:02,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:21:02,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 14:21:02,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:02,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 14:21:02,458 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 14:21:02,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-23 14:21:02,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 14:21:02,808 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:21:02,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-11-23 14:21:03,043 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:03,077 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-23 14:21:03,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 37 [2021-11-23 14:21:03,203 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:03,242 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 14:21:03,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 39 [2021-11-23 14:21:04,279 INFO L354 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2021-11-23 14:21:04,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 67 [2021-11-23 14:21:05,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:05,836 INFO L354 Elim1Store]: treesize reduction 46, result has 43.9 percent of original size [2021-11-23 14:21:05,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 76 [2021-11-23 14:21:06,994 INFO L354 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2021-11-23 14:21:06,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 87 [2021-11-23 14:21:14,313 INFO L354 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2021-11-23 14:21:14,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 75 treesize of output 117 [2021-11-23 14:21:26,003 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:26,060 INFO L354 Elim1Store]: treesize reduction 56, result has 30.9 percent of original size [2021-11-23 14:21:26,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 77 treesize of output 89 [2021-11-23 14:21:27,011 INFO L354 Elim1Store]: treesize reduction 100, result has 25.4 percent of original size [2021-11-23 14:21:27,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 65 treesize of output 78 [2021-11-23 14:21:28,282 INFO L354 Elim1Store]: treesize reduction 208, result has 17.5 percent of original size [2021-11-23 14:21:28,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 101 treesize of output 112 [2021-11-23 14:21:37,544 WARN L227 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:21:46,346 WARN L227 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:21:46,921 INFO L354 Elim1Store]: treesize reduction 72, result has 51.7 percent of original size [2021-11-23 14:21:46,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 112 [2021-11-23 14:21:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:21:47,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:21:52,912 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 14:21:52,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 243 treesize of output 243 [2021-11-23 14:21:52,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-23 14:21:53,027 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 14:21:53,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 98 [2021-11-23 14:21:55,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 59 [2021-11-23 14:21:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:21:55,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009999433] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:55,656 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:55,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 21] total 57 [2021-11-23 14:21:55,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697887808] [2021-11-23 14:21:55,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:55,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-11-23 14:21:55,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:55,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-11-23 14:21:55,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=2785, Unknown=2, NotChecked=0, Total=3192 [2021-11-23 14:21:55,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:55,660 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:55,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.491228070175438) internal successors, (370), 57 states have internal predecessors, (370), 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) [2021-11-23 14:21:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:21:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-23 14:21:55,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:45,687 WARN L227 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:22:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:22:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:22:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-23 14:22:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-23 14:22:45,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:45,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:45,929 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:45,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:45,930 INFO L85 PathProgramCache]: Analyzing trace with hash -2104289470, now seen corresponding path program 3 times [2021-11-23 14:22:45,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:45,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876723641] [2021-11-23 14:22:45,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:45,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:22:46,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:46,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876723641] [2021-11-23 14:22:46,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876723641] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:46,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705182297] [2021-11-23 14:22:46,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 14:22:46,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:46,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:46,698 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:46,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a50227-9059-4b11-a302-4ce81ad31e3f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 14:22:46,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-23 14:22:46,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:22:46,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 14:22:46,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:46,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 14:22:46,939 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 14:22:46,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-23 14:22:46,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 14:22:47,188 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:22:47,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-11-23 14:22:47,367 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:47,392 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-23 14:22:47,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 37 [2021-11-23 14:22:47,489 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:47,518 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 14:22:47,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 39 [2021-11-23 14:22:48,413 INFO L354 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2021-11-23 14:22:48,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 67 [2021-11-23 14:22:49,967 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:50,017 INFO L354 Elim1Store]: treesize reduction 46, result has 43.9 percent of original size [2021-11-23 14:22:50,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 76 [2021-11-23 14:22:51,190 INFO L354 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2021-11-23 14:22:51,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 87 [2021-11-23 14:23:00,597 INFO L354 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2021-11-23 14:23:00,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 75 treesize of output 117 [2021-11-23 14:23:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:23:09,090 INFO L354 Elim1Store]: treesize reduction 56, result has 30.9 percent of original size [2021-11-23 14:23:09,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 83 [2021-11-23 14:23:10,694 INFO L354 Elim1Store]: treesize reduction 260, result has 29.2 percent of original size [2021-11-23 14:23:10,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 86 treesize of output 160 [2021-11-23 14:25:26,579 INFO L354 Elim1Store]: treesize reduction 1460, result has 8.3 percent of original size [2021-11-23 14:25:26,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 136 case distinctions, treesize of input 266 treesize of output 314