./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b88fee59ad03447f68c116aa52c40e006cc633d8116aa4d446048afd18fa64f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:06:13,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:06:13,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-08 12:06:13,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:06:13,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:06:13,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:06:13,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:06:13,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:06:13,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:06:14,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:06:14,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:06:14,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:06:14,002 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:06:14,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:06:14,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:06:14,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:06:14,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:06:14,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:06:14,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:06:14,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:06:14,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:06:14,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:06:14,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:06:14,012 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 12:06:14,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 12:06:14,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:06:14,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:06:14,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:06:14,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:06:14,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:06:14,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:06:14,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:06:14,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:06:14,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:06:14,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:06:14,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:06:14,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:06:14,037 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-08 12:06:14,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:06:14,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:06:14,038 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-08 12:06:14,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:06:14,038 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:06:14,039 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:06:14,039 INFO L153 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_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b88fee59ad03447f68c116aa52c40e006cc633d8116aa4d446048afd18fa64f [2024-11-08 12:06:14,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:06:14,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:06:14,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:06:14,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:06:14,405 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:06:14,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i Unable to find full path for "g++" [2024-11-08 12:06:16,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:06:16,932 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:06:16,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/sv-benchmarks/c/goblint-regression/28-race_reach_09-ptrmunge_racing.i [2024-11-08 12:06:16,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/data/3526bfa2b/ca5831c1d7434b27814c079910928632/FLAG8225d77d0 [2024-11-08 12:06:17,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/data/3526bfa2b/ca5831c1d7434b27814c079910928632 [2024-11-08 12:06:17,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:06:17,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:06:17,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:06:17,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:06:17,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:06:17,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:17,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4244a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17, skipping insertion in model container [2024-11-08 12:06:17,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:17,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:06:17,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:06:17,855 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:06:17,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:06:17,978 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:06:17,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17 WrapperNode [2024-11-08 12:06:17,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:06:17,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:06:17,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:06:17,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:06:17,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,044 INFO L138 Inliner]: procedures = 173, calls = 55, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 245 [2024-11-08 12:06:18,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:06:18,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:06:18,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:06:18,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:06:18,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:06:18,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:06:18,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:06:18,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:06:18,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (1/1) ... [2024-11-08 12:06:18,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:06:18,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:18,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:06:18,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:06:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 12:06:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-08 12:06:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-08 12:06:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 12:06:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 12:06:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:06:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 12:06:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-08 12:06:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-08 12:06:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 12:06:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:06:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 12:06:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:06:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:06:18,203 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:06:18,356 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:06:18,359 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:06:19,005 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:06:19,005 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:06:19,268 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:06:19,269 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-08 12:06:19,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:06:19 BoogieIcfgContainer [2024-11-08 12:06:19,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:06:19,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:06:19,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:06:19,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:06:19,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:06:17" (1/3) ... [2024-11-08 12:06:19,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51edf6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:06:19, skipping insertion in model container [2024-11-08 12:06:19,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:17" (2/3) ... [2024-11-08 12:06:19,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51edf6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:06:19, skipping insertion in model container [2024-11-08 12:06:19,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:06:19" (3/3) ... [2024-11-08 12:06:19,280 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_09-ptrmunge_racing.i [2024-11-08 12:06:19,300 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:06:19,301 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-08 12:06:19,301 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:06:19,422 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-08 12:06:19,503 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:19,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:06:19,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:19,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:06:19,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:06:19,551 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:06:19,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2024-11-08 12:06:19,575 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1712c6a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:19,575 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 12:06:19,869 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:19,874 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:19,897 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:19,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:19,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1385678359, now seen corresponding path program 1 times [2024-11-08 12:06:19,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:19,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300005796] [2024-11-08 12:06:19,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:19,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:20,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:20,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300005796] [2024-11-08 12:06:20,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300005796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:20,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:20,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:06:20,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406018672] [2024-11-08 12:06:20,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:20,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:20,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:20,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:20,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:06:20,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:20,349 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:20,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2024-11-08 12:06:20,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:20,426 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:20,431 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:20,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:06:20,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:20,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1688670045, now seen corresponding path program 1 times [2024-11-08 12:06:20,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:20,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192126967] [2024-11-08 12:06:20,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:20,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:21,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:21,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192126967] [2024-11-08 12:06:21,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192126967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:21,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178865644] [2024-11-08 12:06:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:21,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:21,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:21,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:21,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:06:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:21,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 12:06:21,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:21,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:21,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178865644] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:21,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:21,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-08 12:06:21,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481971305] [2024-11-08 12:06:21,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:21,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:06:21,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:21,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:06:21,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:06:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:21,409 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:21,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 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) [2024-11-08 12:06:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:21,904 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:21,909 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:21,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:21,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:21,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-08 12:06:21,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-08 12:06:21,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-08 12:06:21,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-08 12:06:21,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 12:06:22,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 12:06:22,154 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 12:06:22,156 INFO L317 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/3) [2024-11-08 12:06:22,163 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:22,165 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:06:22,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of1ForFork1 ======== [2024-11-08 12:06:22,167 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1712c6a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:22,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 12:06:22,257 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:22,262 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:22,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:22,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:22,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1257927998, now seen corresponding path program 1 times [2024-11-08 12:06:22,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:22,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598500823] [2024-11-08 12:06:22,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:22,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:22,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:22,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598500823] [2024-11-08 12:06:22,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598500823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:22,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:22,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:06:22,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695140435] [2024-11-08 12:06:22,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:22,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:06:22,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:22,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:06:22,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:06:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:22,314 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:22,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2024-11-08 12:06:22,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:22,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:22,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:06:22,356 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:22,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:22,357 INFO L85 PathProgramCache]: Analyzing trace with hash -790704703, now seen corresponding path program 1 times [2024-11-08 12:06:22,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:22,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979117115] [2024-11-08 12:06:22,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:22,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:22,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:22,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979117115] [2024-11-08 12:06:22,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979117115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:22,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:22,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:06:22,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046344468] [2024-11-08 12:06:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:22,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:06:22,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:06:22,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:06:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:22,457 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:22,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-08 12:06:22,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:22,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:22,630 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:22,633 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:22,660 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:22,664 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:23,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:23,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:06:23,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:23,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:23,488 INFO L85 PathProgramCache]: Analyzing trace with hash -875368036, now seen corresponding path program 1 times [2024-11-08 12:06:23,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:23,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208709001] [2024-11-08 12:06:23,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:23,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:23,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:23,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208709001] [2024-11-08 12:06:23,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208709001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:23,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848815054] [2024-11-08 12:06:23,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:23,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:23,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:23,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:23,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:06:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:23,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 12:06:23,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:06:23,769 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:06:23,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848815054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:23,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:06:23,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-08 12:06:23,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929375719] [2024-11-08 12:06:23,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:23,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:23,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:23,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:23,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:06:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:23,775 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:23,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 12:06:23,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:23,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:23,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:24,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:24,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:24,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:24,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 12:06:24,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:24,451 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:24,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:24,451 INFO L85 PathProgramCache]: Analyzing trace with hash -784037096, now seen corresponding path program 1 times [2024-11-08 12:06:24,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:24,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785076773] [2024-11-08 12:06:24,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:24,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:24,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:24,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785076773] [2024-11-08 12:06:24,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785076773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:24,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994933914] [2024-11-08 12:06:24,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:24,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:24,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:24,566 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:24,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 12:06:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:24,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 12:06:24,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:24,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:24,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994933914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:24,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:24,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-08 12:06:24,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152539278] [2024-11-08 12:06:24,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:24,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:06:24,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:24,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:06:24,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:06:24,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:24,835 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:24,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 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) [2024-11-08 12:06:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:24,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:25,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 12:06:25,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:25,178 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:25,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:25,179 INFO L85 PathProgramCache]: Analyzing trace with hash 900858503, now seen corresponding path program 1 times [2024-11-08 12:06:25,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:25,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042591105] [2024-11-08 12:06:25,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:25,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:25,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:25,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042591105] [2024-11-08 12:06:25,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042591105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:25,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436707605] [2024-11-08 12:06:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:25,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:25,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:25,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:25,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 12:06:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:25,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 12:06:25,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:25,599 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:06:25,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:06:25,664 INFO L378 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:06:25,846 INFO L378 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:06:25,903 INFO L378 Elim1Store]: Elim1 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 [2024-11-08 12:06:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:25,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:26,067 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_136 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1_ids~0#1.base| v_ArrVal_136) |c_~#global1~0.base|) |c_~#global1~0.offset|) 2147483650))) is different from false [2024-11-08 12:06:26,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2024-11-08 12:06:26,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436707605] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:26,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:26,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-11-08 12:06:26,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339487283] [2024-11-08 12:06:26,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:26,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 12:06:26,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:26,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 12:06:26,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=117, Unknown=7, NotChecked=22, Total=182 [2024-11-08 12:06:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:26,090 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:26,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 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) [2024-11-08 12:06:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:26,216 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:26,219 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:26,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:26,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:26,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:26,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:26,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:26,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 12:06:26,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:26,841 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:26,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:26,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1580764012, now seen corresponding path program 1 times [2024-11-08 12:06:26,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:26,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7972328] [2024-11-08 12:06:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:26,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:27,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:27,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7972328] [2024-11-08 12:06:27,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7972328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:27,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996851834] [2024-11-08 12:06:27,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:27,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:27,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:27,304 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:27,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 12:06:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:27,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 12:06:27,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:27,466 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:06:27,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:06:27,514 INFO L378 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:06:27,671 INFO L378 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:06:27,788 INFO L378 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-08 12:06:27,848 INFO L378 Elim1Store]: Elim1 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 [2024-11-08 12:06:27,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:27,853 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:27,986 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_170 (Array Int Int))) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1_ids~0#1.base| v_ArrVal_170) |c_t1_funThread1of1ForFork1_munge_~v#1.base|) |c_t1_funThread1of1ForFork1_munge_~v#1.offset|)))) is different from false [2024-11-08 12:06:28,044 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_170 (Array Int Int))) (< 0 (+ 2147483649 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1_ids~0#1.base| v_ArrVal_170) |c_~#global1~0.base|) |c_~#global1~0.offset|)))) is different from false [2024-11-08 12:06:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2024-11-08 12:06:28,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996851834] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:28,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:28,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 17 [2024-11-08 12:06:28,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162482393] [2024-11-08 12:06:28,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:28,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 12:06:28,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:28,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 12:06:28,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=220, Unknown=2, NotChecked=62, Total=342 [2024-11-08 12:06:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:28,076 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:28,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.277777777777778) internal successors, (77), 18 states have internal predecessors, (77), 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) [2024-11-08 12:06:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:28,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:28,208 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:28,213 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:28,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:28,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 12:06:28,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:28,704 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:28,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:28,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1759044949, now seen corresponding path program 1 times [2024-11-08 12:06:28,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:28,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114694619] [2024-11-08 12:06:28,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:28,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 12:06:28,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:28,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114694619] [2024-11-08 12:06:28,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114694619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:28,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:28,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:06:28,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466000403] [2024-11-08 12:06:28,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:28,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:06:28,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:28,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:06:28,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:06:28,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:28,856 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:28,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-08 12:06:28,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:28,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:28,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:28,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:28,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:28,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:28,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:29,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:29,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:29,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:06:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:29,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 12:06:29,536 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:29,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:29,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2011782095, now seen corresponding path program 2 times [2024-11-08 12:06:29,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:29,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132142378] [2024-11-08 12:06:29,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:29,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:29,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:29,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132142378] [2024-11-08 12:06:29,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132142378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:29,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916596971] [2024-11-08 12:06:29,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:06:29,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:29,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:29,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:29,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:06:30,034 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:06:30,035 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:06:30,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 12:06:30,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:30,054 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:06:30,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-08 12:06:30,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:06:30,237 INFO L378 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:06:30,294 INFO L378 Elim1Store]: Elim1 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 [2024-11-08 12:06:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:30,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:30,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:06:30,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2024-11-08 12:06:30,432 INFO L378 Elim1Store]: Elim1 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 29 treesize of output 21 [2024-11-08 12:06:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:30,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916596971] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:30,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:30,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 16 [2024-11-08 12:06:30,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993925104] [2024-11-08 12:06:30,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:30,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 12:06:30,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:30,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 12:06:30,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=247, Unknown=2, NotChecked=0, Total=306 [2024-11-08 12:06:30,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:30,516 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:30,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 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) [2024-11-08 12:06:30,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:30,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:30,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:30,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:30,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:30,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:06:30,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:30,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:31,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:31,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:31,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:06:31,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:31,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:31,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-08 12:06:31,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-08 12:06:31,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-08 12:06:31,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-08 12:06:31,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 12:06:31,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 12:06:31,283 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-11-08 12:06:31,283 INFO L317 ceAbstractionStarter]: Result for error location t1_funThread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE (2/3) [2024-11-08 12:06:31,286 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:31,288 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:06:31,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:06:31,288 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1712c6a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:31,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-08 12:06:31,350 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:31,355 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:31,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:31,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:31,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1552572835, now seen corresponding path program 1 times [2024-11-08 12:06:31,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:31,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121922833] [2024-11-08 12:06:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:31,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:31,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121922833] [2024-11-08 12:06:31,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121922833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:31,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:31,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:06:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335231176] [2024-11-08 12:06:31,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:31,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:31,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:31,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:31,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:06:31,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:31,417 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:31,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:06:31,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:31,442 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:31,445 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:31,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 12:06:31,453 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:31,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:31,454 INFO L85 PathProgramCache]: Analyzing trace with hash 306142932, now seen corresponding path program 1 times [2024-11-08 12:06:31,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:31,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79990076] [2024-11-08 12:06:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:31,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:31,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:31,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79990076] [2024-11-08 12:06:31,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79990076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:31,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:31,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:06:31,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842926553] [2024-11-08 12:06:31,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:31,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:06:31,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:31,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:06:31,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:06:31,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:31,502 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:31,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-08 12:06:31,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:31,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:31,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:31,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 12:06:31,655 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:31,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:31,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1862835613, now seen corresponding path program 1 times [2024-11-08 12:06:31,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:31,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699260003] [2024-11-08 12:06:31,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:31,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:31,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:31,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699260003] [2024-11-08 12:06:31,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699260003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:31,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219683227] [2024-11-08 12:06:31,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:31,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:31,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:31,773 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:31,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 12:06:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:31,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 12:06:31,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:06:31,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:06:31,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219683227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:31,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:06:31,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-08 12:06:31,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385239014] [2024-11-08 12:06:31,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:31,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:31,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:31,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:31,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:06:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:31,932 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:31,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-08 12:06:31,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:31,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:31,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:32,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 12:06:32,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 12:06:32,247 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:32,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:32,247 INFO L85 PathProgramCache]: Analyzing trace with hash 791815094, now seen corresponding path program 1 times [2024-11-08 12:06:32,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:32,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897452906] [2024-11-08 12:06:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:32,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:32,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:32,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:32,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897452906] [2024-11-08 12:06:32,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897452906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:32,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626653913] [2024-11-08 12:06:32,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:32,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:32,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:32,339 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:32,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 12:06:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:32,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 12:06:32,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:32,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:32,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626653913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:32,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:32,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-08 12:06:32,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027864416] [2024-11-08 12:06:32,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:32,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:06:32,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:32,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:06:32,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:06:32,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:32,568 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:32,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 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) [2024-11-08 12:06:32,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:32,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:32,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:32,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:32,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 12:06:32,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:32,867 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:32,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:32,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1869311422, now seen corresponding path program 1 times [2024-11-08 12:06:32,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:32,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434176862] [2024-11-08 12:06:32,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:32,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:06:32,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:06:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:06:32,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:06:32,922 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:06:32,922 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-11-08 12:06:32,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-08 12:06:32,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-08 12:06:32,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-08 12:06:32,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-08 12:06:32,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-08 12:06:32,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-08 12:06:32,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-08 12:06:32,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-08 12:06:32,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 10 remaining) [2024-11-08 12:06:32,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 12:06:32,930 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 12:06:32,930 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (3/3) [2024-11-08 12:06:32,931 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 12:06:32,932 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-08 12:06:32,989 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-08 12:06:32,993 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:32,995 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:06:32,995 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:06:32,996 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1712c6a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:32,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-08 12:06:33,095 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:33,098 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:33,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:33,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:33,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1555601863, now seen corresponding path program 1 times [2024-11-08 12:06:33,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:33,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105501894] [2024-11-08 12:06:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:33,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:33,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:33,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105501894] [2024-11-08 12:06:33,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105501894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:33,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:33,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:06:33,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838447788] [2024-11-08 12:06:33,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:33,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:33,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:33,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:33,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:06:33,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:33,144 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:33,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:06:33,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:33,173 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:33,176 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:33,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:33,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 12:06:33,188 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:33,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:33,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1000508003, now seen corresponding path program 1 times [2024-11-08 12:06:33,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:33,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216301581] [2024-11-08 12:06:33,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:33,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:33,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:33,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216301581] [2024-11-08 12:06:33,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216301581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:33,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:33,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:06:33,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850395974] [2024-11-08 12:06:33,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:33,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:06:33,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:33,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:06:33,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:06:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:33,287 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:33,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-08 12:06:33,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:33,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:33,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:33,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 12:06:33,464 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:33,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:33,464 INFO L85 PathProgramCache]: Analyzing trace with hash -479073342, now seen corresponding path program 1 times [2024-11-08 12:06:33,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:33,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923377990] [2024-11-08 12:06:33,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:33,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:33,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:33,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923377990] [2024-11-08 12:06:33,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923377990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:33,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643763381] [2024-11-08 12:06:33,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:33,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:33,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:33,550 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:33,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 12:06:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:33,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 12:06:33,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:06:33,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:06:33,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643763381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:33,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:06:33,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-08 12:06:33,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877563650] [2024-11-08 12:06:33,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:33,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:33,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:33,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:33,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:06:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:33,740 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:33,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-08 12:06:33,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:33,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:33,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:33,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:33,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 12:06:34,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 12:06:34,073 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:34,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:34,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1753599415, now seen corresponding path program 1 times [2024-11-08 12:06:34,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:34,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068109961] [2024-11-08 12:06:34,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:34,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:34,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:34,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068109961] [2024-11-08 12:06:34,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068109961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:34,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567575005] [2024-11-08 12:06:34,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:34,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:34,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:34,157 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:34,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 12:06:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:34,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 12:06:34,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:34,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:34,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567575005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:34,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:34,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-08 12:06:34,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333858752] [2024-11-08 12:06:34,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:34,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:06:34,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:34,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:06:34,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:06:34,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:34,419 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:34,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 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) [2024-11-08 12:06:34,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:34,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:34,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:34,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:34,565 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:34,568 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:34,618 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:34,621 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:34,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:06:34,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-08 12:06:34,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:34,880 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:34,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash -491724549, now seen corresponding path program 1 times [2024-11-08 12:06:34,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:34,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480644687] [2024-11-08 12:06:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:34,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:35,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:35,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480644687] [2024-11-08 12:06:35,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480644687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:35,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:35,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:06:35,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506309838] [2024-11-08 12:06:35,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:35,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:06:35,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:35,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:06:35,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:06:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:35,087 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:35,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-11-08 12:06:35,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:35,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:35,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:35,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:06:35,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:06:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:35,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 12:06:35,695 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:35,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:35,695 INFO L85 PathProgramCache]: Analyzing trace with hash -36273574, now seen corresponding path program 1 times [2024-11-08 12:06:35,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:35,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128745352] [2024-11-08 12:06:35,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:35,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:35,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128745352] [2024-11-08 12:06:35,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128745352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:35,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087849112] [2024-11-08 12:06:35,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:35,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:35,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:35,781 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:35,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 12:06:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:35,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 12:06:35,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:35,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:06:35,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087849112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:35,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:06:35,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-08 12:06:35,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622288654] [2024-11-08 12:06:35,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:35,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:06:35,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:35,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:06:35,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:06:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:35,980 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:35,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-08 12:06:35,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:35,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:35,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:35,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:06:35,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:35,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:06:36,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:06:36,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-08 12:06:36,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a9cee2-77fb-41ff-a540-c02ecda0fec3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:36,628 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-08 12:06:36,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:36,629 INFO L85 PathProgramCache]: Analyzing trace with hash -702350111, now seen corresponding path program 1 times [2024-11-08 12:06:36,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:36,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933348776] [2024-11-08 12:06:36,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:36,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:06:36,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:06:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:06:36,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:06:36,711 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:06:36,711 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-11-08 12:06:36,712 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-08 12:06:36,712 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-08 12:06:36,712 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-08 12:06:36,712 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-08 12:06:36,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-08 12:06:36,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-08 12:06:36,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-08 12:06:36,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-08 12:06:36,714 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 10 remaining) [2024-11-08 12:06:36,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 12:06:36,726 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:06:36,727 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/5) [2024-11-08 12:06:36,727 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 12:06:36,727 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-08 12:06:36,824 INFO L143 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2024-11-08 12:06:36,834 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:36,837 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:06:36,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of3ForFork1 ======== [2024-11-08 12:06:36,838 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1712c6a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:36,838 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 12:06:36,999 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,002 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:37,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:37,014 INFO L85 PathProgramCache]: Analyzing trace with hash -53607696, now seen corresponding path program 1 times [2024-11-08 12:06:37,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:37,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003216156] [2024-11-08 12:06:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:37,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:37,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:37,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003216156] [2024-11-08 12:06:37,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003216156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:37,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:37,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:06:37,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57402661] [2024-11-08 12:06:37,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:37,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:06:37,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:37,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:06:37,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:06:37,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:37,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:37,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2024-11-08 12:06:37,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:37,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:37,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 12:06:37,081 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, t1_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 12:06:37,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:37,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1383744962, now seen corresponding path program 1 times [2024-11-08 12:06:37,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:37,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706450916] [2024-11-08 12:06:37,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:37,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:37,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:37,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706450916] [2024-11-08 12:06:37,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706450916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:37,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:37,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:06:37,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074985577] [2024-11-08 12:06:37,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:37,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:06:37,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:37,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:06:37,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:06:37,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:37,134 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:37,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-08 12:06:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:37,351 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,357 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,365 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,368 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,377 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,385 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,408 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,411 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,699 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:37,701 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:38,160 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3 [2024-11-08 12:06:38,163 INFO L378 Elim1Store]: Elim1 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 7 treesize of output 3