./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array16_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array16_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:33,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:33,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:01:33,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:33,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:33,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:33,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:33,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:33,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:33,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:33,608 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:33,609 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:33,609 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:33,610 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:01:33,610 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:33,611 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:33,612 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:01:33,612 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:01:33,613 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:33,613 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:01:33,614 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:01:33,615 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:01:33,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:33,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:33,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:01:33,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:01:33,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:01:33,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:33,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:33,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:33,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:33,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:01:33,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:33,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:33,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:33,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:33,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:33,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:33,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:33,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:33,624 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:01:33,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:01:33,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:33,630 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:33,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:33,631 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d [2023-11-19 05:01:33,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:33,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:33,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:33,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:33,947 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:33,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/array-patterns/array16_pattern.c [2023-11-19 05:01:37,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:37,285 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:37,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/sv-benchmarks/c/array-patterns/array16_pattern.c [2023-11-19 05:01:37,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/data/a80032bb9/9b84fc21155c4f0db2e7ec80836ba444/FLAG34c11a6a8 [2023-11-19 05:01:37,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/data/a80032bb9/9b84fc21155c4f0db2e7ec80836ba444 [2023-11-19 05:01:37,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:37,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:37,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:37,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:37,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:37,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4921b0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37, skipping insertion in model container [2023-11-19 05:01:37,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:37,539 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2023-11-19 05:01:37,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:37,571 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:37,582 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2023-11-19 05:01:37,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:37,608 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:37,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37 WrapperNode [2023-11-19 05:01:37,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:37,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:37,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:37,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:37,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,648 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2023-11-19 05:01:37,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:37,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:37,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:37,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:37,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:37,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:37,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:37,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:37,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (1/1) ... [2023-11-19 05:01:37,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:37,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:37,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:37,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:01:37,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:01:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:01:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:01:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:01:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:37,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:01:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:01:37,818 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:37,820 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:38,006 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:01:38,081 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:01:38,081 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 05:01:38,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:38 BoogieIcfgContainer [2023-11-19 05:01:38,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:01:38,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:01:38,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:01:38,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:01:38,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:37" (1/3) ... [2023-11-19 05:01:38,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cde00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:38, skipping insertion in model container [2023-11-19 05:01:38,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:37" (2/3) ... [2023-11-19 05:01:38,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cde00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:38, skipping insertion in model container [2023-11-19 05:01:38,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:38" (3/3) ... [2023-11-19 05:01:38,108 INFO L112 eAbstractionObserver]: Analyzing ICFG array16_pattern.c [2023-11-19 05:01:38,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:01:38,128 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:01:38,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:01:38,185 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@52c0a04b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:01:38,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:01:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:01:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:01:38,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:38,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:38,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:38,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:38,203 INFO L85 PathProgramCache]: Analyzing trace with hash 315434556, now seen corresponding path program 1 times [2023-11-19 05:01:38,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:38,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147039546] [2023-11-19 05:01:38,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:38,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:38,347 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:01:38,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432565535] [2023-11-19 05:01:38,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:38,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:38,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:38,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:01:38,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:01:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:38,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:01:38,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:01:38,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:01:38,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:38,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147039546] [2023-11-19 05:01:38,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:01:38,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432565535] [2023-11-19 05:01:38,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432565535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:38,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:38,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:01:38,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691680852] [2023-11-19 05:01:38,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:38,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:01:38,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:38,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:01:38,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:38,600 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:01:38,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:38,654 INFO L93 Difference]: Finished difference Result 28 states and 38 transitions. [2023-11-19 05:01:38,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:01:38,656 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-19 05:01:38,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:38,663 INFO L225 Difference]: With dead ends: 28 [2023-11-19 05:01:38,663 INFO L226 Difference]: Without dead ends: 18 [2023-11-19 05:01:38,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:38,671 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:38,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:01:38,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-11-19 05:01:38,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-19 05:01:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:01:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2023-11-19 05:01:38,714 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 11 [2023-11-19 05:01:38,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:38,716 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-19 05:01:38,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:01:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 05:01:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 05:01:38,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:38,720 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:38,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 05:01:38,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:01:38,933 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:38,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:38,934 INFO L85 PathProgramCache]: Analyzing trace with hash 644195277, now seen corresponding path program 1 times [2023-11-19 05:01:38,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:38,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930856026] [2023-11-19 05:01:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:38,953 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:01:38,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752895121] [2023-11-19 05:01:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:38,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:38,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:38,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:01:38,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 05:01:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:39,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:01:39,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 05:01:39,142 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:01:39,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:39,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930856026] [2023-11-19 05:01:39,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:01:39,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752895121] [2023-11-19 05:01:39,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752895121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:39,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:39,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:01:39,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907595243] [2023-11-19 05:01:39,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:39,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:01:39,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:39,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:01:39,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:01:39,146 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 05:01:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:39,276 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2023-11-19 05:01:39,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:01:39,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2023-11-19 05:01:39,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:39,279 INFO L225 Difference]: With dead ends: 42 [2023-11-19 05:01:39,280 INFO L226 Difference]: Without dead ends: 25 [2023-11-19 05:01:39,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:01:39,288 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:39,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 41 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:01:39,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-19 05:01:39,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2023-11-19 05:01:39,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:01:39,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2023-11-19 05:01:39,304 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 19 [2023-11-19 05:01:39,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:39,304 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2023-11-19 05:01:39,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 05:01:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 05:01:39,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 05:01:39,307 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:39,308 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:39,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:01:39,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:39,533 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:39,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:39,533 INFO L85 PathProgramCache]: Analyzing trace with hash 49560315, now seen corresponding path program 1 times [2023-11-19 05:01:39,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:39,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669091862] [2023-11-19 05:01:39,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:39,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:39,553 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:01:39,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737893725] [2023-11-19 05:01:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:39,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:39,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:39,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:01:39,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 05:01:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:39,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:01:39,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 05:01:39,687 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:01:39,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:39,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669091862] [2023-11-19 05:01:39,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:01:39,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737893725] [2023-11-19 05:01:39,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737893725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:39,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:39,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:01:39,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524397102] [2023-11-19 05:01:39,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:39,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:01:39,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:39,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:01:39,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:01:39,691 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 05:01:39,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:39,748 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2023-11-19 05:01:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:01:39,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2023-11-19 05:01:39,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:39,750 INFO L225 Difference]: With dead ends: 36 [2023-11-19 05:01:39,750 INFO L226 Difference]: Without dead ends: 21 [2023-11-19 05:01:39,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:01:39,754 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 14 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:39,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 26 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:01:39,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-19 05:01:39,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-19 05:01:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:01:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2023-11-19 05:01:39,774 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 21 [2023-11-19 05:01:39,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:39,774 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-19 05:01:39,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 05:01:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 05:01:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 05:01:39,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:39,776 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:39,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:01:39,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:39,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:39,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:39,981 INFO L85 PathProgramCache]: Analyzing trace with hash 2132634451, now seen corresponding path program 1 times [2023-11-19 05:01:39,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:39,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35076517] [2023-11-19 05:01:39,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:39,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:40,001 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:01:40,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2041414236] [2023-11-19 05:01:40,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:40,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:40,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:40,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:01:40,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:01:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:40,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:01:40,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 05:01:40,160 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:01:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 05:01:40,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:40,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35076517] [2023-11-19 05:01:40,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:01:40,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041414236] [2023-11-19 05:01:40,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041414236] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:01:40,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [543283286] [2023-11-19 05:01:40,244 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2023-11-19 05:01:40,244 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:01:40,248 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:01:40,253 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:01:40,254 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 05:01:42,314 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-11-19 05:01:42,316 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 05:01:44,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [543283286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:44,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:01:44,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5, 5] total 18 [2023-11-19 05:01:44,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363873926] [2023-11-19 05:01:44,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:44,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 05:01:44,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:44,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 05:01:44,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=232, Unknown=1, NotChecked=0, Total=306 [2023-11-19 05:01:44,968 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:01:47,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:47,387 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2023-11-19 05:01:47,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 05:01:47,388 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 22 [2023-11-19 05:01:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:47,389 INFO L225 Difference]: With dead ends: 29 [2023-11-19 05:01:47,389 INFO L226 Difference]: Without dead ends: 26 [2023-11-19 05:01:47,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=207, Invalid=604, Unknown=1, NotChecked=0, Total=812 [2023-11-19 05:01:47,395 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 41 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:47,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 23 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:01:47,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-19 05:01:47,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2023-11-19 05:01:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:01:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2023-11-19 05:01:47,412 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 22 [2023-11-19 05:01:47,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:47,413 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-11-19 05:01:47,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 05:01:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-19 05:01:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 05:01:47,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:47,415 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:47,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:01:47,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:47,635 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:47,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:47,635 INFO L85 PathProgramCache]: Analyzing trace with hash 377394655, now seen corresponding path program 1 times [2023-11-19 05:01:47,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:47,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685734064] [2023-11-19 05:01:47,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:47,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:47,660 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:01:47,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2089486539] [2023-11-19 05:01:47,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:47,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:47,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:47,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:01:47,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad5ccc3-ef9c-4ffd-81f6-6d3792202f5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 05:01:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:47,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 05:01:47,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:47,873 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 [2023-11-19 05:01:48,222 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 303 treesize of output 277 [2023-11-19 05:01:50,932 INFO L349 Elim1Store]: treesize reduction 628, result has 0.8 percent of original size [2023-11-19 05:01:50,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 277 treesize of output 702 [2023-11-19 05:01:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:56,666 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:56,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 702 treesize of output 1098 [2023-11-19 05:02:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:02:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:02:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:02:10,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 563 treesize of output 733 [2023-11-19 05:02:13,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:02:13,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:02:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:02:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:02:13,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 180 [2023-11-19 05:02:25,201 WARN L854 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main_~sum~0#1| 0) (<= 1 c_~ARR_SIZE~0) (let ((.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0#1.base|))) (let ((.cse0 (= c_~ARR_SIZE~0 1)) (.cse15 (* c_~ARR_SIZE~0 4)) (.cse37 (select .cse8 0))) (or (and (not .cse0) (or (exists ((v_z_3 Int)) (and (exists ((v_DerPreprocessor_13 Int) (v_y_3 Int) (v_DerPreprocessor_14 Int) (v_prenex_37 Int) (v_prenex_36 Int) (v_DerPreprocessor_15 Int)) (let ((.cse12 (* v_z_3 (- 4))) (.cse13 (* (+ v_z_3 (- 4294967296)) .cse15)) (.cse14 (* (- 17179869184) v_y_3)) (.cse16 (* (- 17179869184) v_prenex_36))) (let ((.cse17 (* v_z_3 .cse15)) (.cse9 (+ .cse12 (- 4) .cse13 .cse14 .cse15 .cse16))) (let ((.cse11 (store .cse8 .cse9 v_DerPreprocessor_14)) (.cse5 (+ .cse12 (- 4) .cse17 .cse14 .cse15 .cse16))) (let ((.cse3 (store .cse11 .cse5 v_DerPreprocessor_15))) (let ((.cse6 (store .cse8 .cse9 (select .cse3 .cse9))) (.cse7 (+ .cse12 (- 17179869188) .cse17 .cse14 .cse15 .cse16)) (.cse4 (+ .cse12 .cse13 (- 17179869188) .cse14 .cse15 .cse16))) (let ((.cse1 (* v_prenex_36 4294967296)) (.cse2 (* v_y_3 4294967296)) (.cse10 (store (store .cse6 .cse7 v_DerPreprocessor_13) .cse4 1))) (and (<= c_~ARR_SIZE~0 (+ .cse1 v_z_3 2147483648 .cse2)) (= (select (store .cse3 .cse4 1) .cse5) (select (store (store .cse6 .cse7 v_prenex_37) .cse4 1) .cse5)) (<= (+ .cse1 v_z_3 .cse2 1) c_~ARR_SIZE~0) (= (select .cse8 .cse9) 1) (<= (select (store (store .cse6 .cse7 (select .cse10 .cse7)) .cse4 1) 0) 0) (= (store (store .cse11 .cse5 (select .cse10 .cse5)) .cse4 1) .cse10))))))))) (<= v_z_3 4294967295) (<= 2147483648 v_z_3))) (exists ((v_z_3 Int)) (and (<= v_z_3 4294967295) (<= 2147483648 v_z_3) (exists ((v_z_30 Int)) (and (exists ((v_DerPreprocessor_14 Int) (v_DerPreprocessor_15 Int)) (let ((.cse33 (* (+ v_z_3 (- 4294967296)) .cse15)) (.cse30 (* v_z_30 4)) (.cse31 (* v_z_3 .cse15))) (let ((.cse21 (+ .cse30 .cse31)) (.cse19 (+ .cse30 .cse33))) (let ((.cse23 (+ (- 17179869184) .cse30 .cse33)) (.cse29 (select .cse8 .cse19)) (.cse32 (store (store .cse8 .cse19 v_DerPreprocessor_14) .cse21 v_DerPreprocessor_15))) (let ((.cse24 (store .cse8 .cse19 (select .cse32 .cse19))) (.cse27 (store .cse32 .cse23 .cse29)) (.cse25 (+ (- 17179869184) .cse30 .cse31))) (let ((.cse28 (store .cse24 .cse25 (select .cse27 .cse25)))) (let ((.cse26 (store .cse28 .cse23 .cse29))) (and (exists ((v_DerPreprocessor_11 Int) (v_DerPreprocessor_12 Int) (v_DerPreprocessor_5 Int)) (let ((.cse20 (store (store .cse24 .cse25 v_DerPreprocessor_11) .cse21 v_DerPreprocessor_12))) (let ((.cse18 (store .cse20 .cse23 1))) (let ((.cse22 (select .cse18 .cse21))) (and (= .cse18 (store (store (store .cse8 .cse19 (select .cse20 .cse19)) .cse21 .cse22) .cse23 1)) (= (select (store (store .cse24 .cse25 v_DerPreprocessor_5) .cse23 1) .cse21) .cse22)))))) (= (select .cse26 .cse21) (select .cse27 .cse21)) (= (select .cse28 .cse19) .cse29) (<= (select .cse26 0) 0))))))))) (<= v_z_30 2147483647) (<= 0 v_z_30))))))) (exists ((v_z_3 Int)) (and (exists ((v_z_33 Int)) (and (<= (select (let ((.cse36 (* v_z_33 4))) (let ((.cse34 (+ .cse36 (- 17179869184) (* v_z_3 .cse15)))) (let ((.cse35 (select .cse8 .cse34))) (store (store .cse8 .cse34 .cse35) (+ .cse36 (- 17179869184) (* (+ v_z_3 (- 4294967296)) .cse15)) .cse35)))) 0) 0) (<= v_z_33 4294967295) (<= 2147483648 v_z_33))) (<= 0 v_z_3) (<= v_z_3 2147483647))) (and (or (= .cse37 1) (exists ((v_z_3 Int)) (and (<= v_z_3 4294967295) (exists ((v_z_30 Int)) (let ((.cse44 (* v_z_30 4)) (.cse45 (* v_z_3 4))) (let ((.cse43 (+ (- 17179869184) .cse44 .cse45))) (let ((.cse40 (select .cse8 .cse43))) (let ((.cse38 (store .cse8 .cse43 .cse40)) (.cse39 (+ .cse44 .cse45 (- 34359738368)))) (and (<= (select (store .cse38 .cse39 .cse40) 0) 0) (<= v_z_30 2147483647) (exists ((v_DerPreprocessor_19 Int)) (let ((.cse41 (+ .cse44 .cse45))) (let ((.cse42 (select .cse8 .cse41))) (= (store (store .cse38 .cse41 .cse42) .cse39 1) (store (store (store .cse8 .cse43 v_DerPreprocessor_19) .cse41 .cse42) .cse39 1))))) (<= 0 v_z_30))))))) (<= 2147483648 v_z_3)))) .cse0) (exists ((v_z_3 Int)) (and (<= 0 v_z_3) (exists ((v_prenex_46 Int) (v_prenex_42 Int) (v_arrayElimCell_11 Int)) (let ((.cse47 (* (- 17179869184) v_prenex_42)) (.cse48 (* (- 17179869184) v_prenex_46)) (.cse49 (* v_z_3 (- 4)))) (let ((.cse46 (+ .cse47 .cse48 .cse49 (- 17179869188) (* v_z_3 .cse15) .cse15)) (.cse50 (* v_prenex_46 4294967296)) (.cse51 (* v_prenex_42 4294967296))) (and (= (select .cse8 .cse46) 1) (<= (select (store (store .cse8 .cse46 v_arrayElimCell_11) (+ .cse47 .cse48 .cse49 (* (+ v_z_3 (- 4294967296)) .cse15) (- 17179869188) .cse15) 1) 0) 0) (<= c_~ARR_SIZE~0 (+ .cse50 v_z_3 .cse51 4294967296)) (<= (+ 2147483649 .cse50 v_z_3 .cse51) c_~ARR_SIZE~0))))) (<= v_z_3 2147483647))) (exists ((v_z_3 Int)) (and (exists ((v_y_3 Int) (v_prenex_39 Int) (v_DerPreprocessor_23 Int) (v_prenex_40 Int)) (let ((.cse57 (* v_z_3 (- 4))) (.cse58 (* v_z_3 .cse15)) (.cse59 (* (- 17179869184) v_y_3)) (.cse60 (* (- 17179869184) v_prenex_39))) (let ((.cse55 (+ .cse57 (- 4) .cse58 .cse59 .cse15 .cse60)) (.cse56 (+ .cse57 (* (+ v_z_3 (- 4294967296)) .cse15) (- 17179869188) .cse59 .cse15 .cse60))) (let ((.cse52 (* v_prenex_39 4294967296)) (.cse53 (* v_y_3 4294967296)) (.cse54 (store (store (store .cse8 .cse55 v_DerPreprocessor_23) (+ .cse57 (- 17179869188) .cse58 .cse59 .cse15 .cse60) v_prenex_40) .cse56 1))) (and (<= (+ .cse52 v_z_3 .cse53 1) c_~ARR_SIZE~0) (<= (select .cse54 0) 0) (<= c_~ARR_SIZE~0 (+ .cse52 v_z_3 2147483648 .cse53)) (= .cse54 (store (store .cse8 .cse55 (select .cse54 .cse55)) .cse56 1)) (= (select .cse8 .cse55) 1)))))) (<= 0 v_z_3) (<= v_z_3 2147483647))) (exists ((v_z_3 Int)) (and (exists ((v_z_30 Int)) (and (exists ((v_y_30 Int) (v_prenex_9 Int)) (let ((.cse61 (* 4294967296 v_prenex_9)) (.cse62 (* v_y_30 4294967296))) (and (not (= c_~ARR_SIZE~0 (+ .cse61 v_z_30 .cse62 v_z_3 1))) (not (= (+ .cse61 v_z_3) (+ v_z_30 .cse62)))))) (exists ((v_DerPreprocessor_5 Int)) (let ((.cse67 (* v_z_30 4)) (.cse68 (* v_z_3 .cse15))) (let ((.cse64 (+ .cse67 .cse68))) (let ((.cse65 (+ (- 17179869184) .cse67 (* (+ v_z_3 (- 4294967296)) .cse15))) (.cse66 (select .cse8 .cse64))) (let ((.cse63 (store (store (store .cse8 .cse64 .cse66) (+ (- 17179869184) .cse67 .cse68) v_DerPreprocessor_5) .cse65 .cse66))) (and (= .cse63 (store (store .cse8 .cse64 (select .cse63 .cse64)) .cse65 .cse66)) (<= (select .cse63 0) 0))))))) (<= v_z_30 2147483647) (<= 0 v_z_30))) (<= 0 v_z_3) (<= v_z_3 2147483647))) (exists ((v_z_3 Int)) (and (<= 0 v_z_3) (<= v_z_3 2147483647) (exists ((v_DerPreprocessor_23 Int) (v_prenex_41 Int) (v_prenex_40 Int) (v_prenex_8 Int)) (let ((.cse74 (* (- 17179869184) v_prenex_41)) (.cse75 (* v_z_3 .cse15)) (.cse76 (* v_z_3 4)) (.cse77 (* 17179869184 v_prenex_8))) (let ((.cse72 (+ .cse74 .cse75 .cse76 .cse77)) (.cse73 (+ (- 17179869184) .cse74 (* (+ v_z_3 (- 4294967296)) .cse15) .cse76 .cse77))) (let ((.cse71 (store (store (store .cse8 .cse72 v_DerPreprocessor_23) (+ (- 17179869184) .cse74 .cse75 .cse76 .cse77) v_prenex_40) .cse73 1)) (.cse70 (+ (* 4294967296 v_prenex_8) v_z_3)) (.cse69 (* v_prenex_41 4294967296))) (and (<= .cse69 .cse70) (<= (select .cse71 0) 0) (= (select .cse8 .cse72) 1) (= .cse71 (store (store .cse8 .cse72 (select .cse71 .cse72)) .cse73 1)) (<= .cse70 (+ 2147483647 .cse69))))))))) (and (or (exists ((v_z_3 Int)) (and (<= v_z_3 4294967295) (<= 0 v_z_3) (exists ((v_y_3 Int) (v_DerPreprocessor_25 Int) (v_prenex_44 Int) (v_DerPreprocessor_7 Int)) (let ((.cse82 (* v_z_3 (- 4))) (.cse83 (* (- 17179869184) v_prenex_44)) (.cse85 (* (- 17179869184) v_y_3))) (let ((.cse78 (* v_prenex_44 4294967296)) (.cse79 (* v_y_3 4294967296)) (.cse81 (+ .cse82 .cse83 (* (+ v_z_3 (- 4294967296)) .cse15) (- 17179869188) .cse85 .cse15))) (and (<= (+ 2147483649 v_z_3 .cse78 .cse79) c_~ARR_SIZE~0) (let ((.cse84 (* v_z_3 .cse15))) (let ((.cse80 (+ .cse82 .cse83 (- 4) .cse84 .cse85 .cse15))) (= (select (store (store .cse8 .cse80 v_DerPreprocessor_25) .cse81 1) .cse80) (select (store (store (store .cse8 .cse80 (select .cse8 .cse80)) (+ .cse82 .cse83 (- 17179869188) .cse84 .cse85 .cse15) v_DerPreprocessor_7) .cse81 1) .cse80)))) (<= c_~ARR_SIZE~0 (+ v_z_3 .cse78 4294967296 .cse79)) (= (select .cse8 .cse81) 1))))))) (exists ((v_z_3 Int)) (and (exists ((v_DerPreprocessor_25 Int) (v_DerPreprocessor_7 Int) (v_z_33 Int)) (let ((.cse94 (* v_z_3 .cse15)) (.cse93 (* v_z_33 4))) (let ((.cse91 (+ .cse93 (- 17179869184) (* (+ v_z_3 (- 4294967296)) .cse15))) (.cse88 (+ .cse93 .cse94))) (let ((.cse89 (select .cse8 .cse88)) (.cse90 (+ .cse93 (- 17179869184) .cse94)) (.cse92 (select .cse8 .cse91))) (and (exists ((v_prenex_4 Int) (v_prenex_45 Int)) (let ((.cse86 (* 4294967296 v_prenex_4)) (.cse87 (* v_prenex_45 4294967296))) (and (not (= c_~ARR_SIZE~0 (+ .cse86 v_z_33 v_z_3 .cse87 1))) (not (= (+ .cse86 v_z_3) (+ v_z_33 .cse87)))))) (= (select (store (store (store .cse8 .cse88 .cse89) .cse90 v_DerPreprocessor_7) .cse91 .cse92) .cse88) (select (store (store .cse8 .cse88 v_DerPreprocessor_25) .cse91 .cse92) .cse88)) (exists ((v_DerPreprocessor_27 Int)) (= (select (store (store (store .cse8 .cse91 v_DerPreprocessor_27) .cse88 .cse89) .cse90 .cse92) .cse91) .cse92)) (<= v_z_33 4294967295) (<= 2147483648 v_z_33)))))) (<= v_z_3 4294967295) (<= 0 v_z_3))) (exists ((v_z_3 Int)) (and (<= v_z_3 4294967295) (<= 0 v_z_3) (exists ((v_DerPreprocessor_25 Int) (v_prenex_3 Int) (v_DerPreprocessor_7 Int) (v_y_33 Int)) (let ((.cse97 (* 17179869184 v_prenex_3)) (.cse98 (* (- 17179869184) v_y_33)) (.cse100 (* v_z_3 4))) (let ((.cse96 (+ .cse97 (- 17179869184) .cse98 (* (+ v_z_3 (- 4294967296)) .cse15) .cse100)) (.cse102 (+ (* 4294967296 v_prenex_3) v_z_3)) (.cse101 (* v_y_33 4294967296))) (and (let ((.cse99 (* v_z_3 .cse15))) (let ((.cse95 (+ .cse97 .cse98 .cse99 .cse100))) (= (select (store (store .cse8 .cse95 v_DerPreprocessor_25) .cse96 1) .cse95) (select (store (store (store .cse8 .cse95 (select .cse8 .cse95)) (+ .cse97 (- 17179869184) .cse98 .cse99 .cse100) v_DerPreprocessor_7) .cse96 1) .cse95)))) (<= (+ .cse101 2147483648) .cse102) (= (select .cse8 .cse96) 1) (<= .cse102 (+ .cse101 4294967295))))))))) (<= .cse37 0))))) (= |c_ULTIMATE.start_main_~#array~0#1.offset| 0)) is different from false