./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_5-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX --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 51f18e80b5b0f6da04af12e6407c1afb08dc9b5e98545aeafa4f330f4ac3434e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:11:35,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:11:35,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:11:35,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:11:35,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:11:35,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:11:35,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:11:35,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:11:35,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:11:35,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:11:35,729 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:11:35,730 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:11:35,731 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:11:35,733 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:11:35,733 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:11:35,733 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:11:35,734 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:11:35,734 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:11:35,735 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:11:35,735 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:11:35,736 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:11:35,736 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:11:35,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:11:35,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:11:35,738 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:11:35,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:11:35,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:11:35,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:11:35,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:11:35,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:11:35,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:11:35,743 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:11:35,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:11:35,744 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:11:35,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:11:35,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:11:35,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:35,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:11:35,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:11:35,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:11:35,746 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:11:35,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:11:35,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:11:35,747 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:11:35,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:11:35,748 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_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51f18e80b5b0f6da04af12e6407c1afb08dc9b5e98545aeafa4f330f4ac3434e [2023-11-12 00:11:36,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:11:36,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:11:36,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:11:36,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:11:36,100 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:11:36,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/bitvector/jain_5-2.c [2023-11-12 00:11:39,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:11:39,496 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:11:39,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/sv-benchmarks/c/bitvector/jain_5-2.c [2023-11-12 00:11:39,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/data/e1bfa4a6d/8df989d147284f7a8f1869f25e7a3e53/FLAG34800ce2c [2023-11-12 00:11:39,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/data/e1bfa4a6d/8df989d147284f7a8f1869f25e7a3e53 [2023-11-12 00:11:39,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:11:39,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:11:39,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:39,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:11:39,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:11:39,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff5ab89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39, skipping insertion in model container [2023-11-12 00:11:39,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:39,755 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_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/sv-benchmarks/c/bitvector/jain_5-2.c[665,678] [2023-11-12 00:11:39,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:39,783 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:11:39,796 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_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/sv-benchmarks/c/bitvector/jain_5-2.c[665,678] [2023-11-12 00:11:39,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:39,815 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:11:39,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39 WrapperNode [2023-11-12 00:11:39,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:39,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:39,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:11:39,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:11:39,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,854 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2023-11-12 00:11:39,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:39,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:11:39,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:11:39,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:11:39,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:11:39,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:11:39,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:11:39,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:11:39,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (1/1) ... [2023-11-12 00:11:39,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:39,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:39,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:11:39,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:11:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:11:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:11:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:11:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:11:40,036 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:11:40,039 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:11:40,141 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:11:40,165 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:11:40,165 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:11:40,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:40 BoogieIcfgContainer [2023-11-12 00:11:40,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:11:40,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:11:40,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:11:40,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:11:40,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:11:39" (1/3) ... [2023-11-12 00:11:40,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f26b3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:40, skipping insertion in model container [2023-11-12 00:11:40,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:39" (2/3) ... [2023-11-12 00:11:40,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f26b3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:40, skipping insertion in model container [2023-11-12 00:11:40,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:40" (3/3) ... [2023-11-12 00:11:40,180 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_5-2.c [2023-11-12 00:11:40,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:11:40,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:11:40,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:11:40,261 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;@7ee4bb04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:11:40,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:11:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-11-12 00:11:40,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:11:40,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:40,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-12 00:11:40,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:40,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:40,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1858063, now seen corresponding path program 1 times [2023-11-12 00:11:40,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:11:40,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334435647] [2023-11-12 00:11:40,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:40,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:11:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:11:40,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:11:40,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334435647] [2023-11-12 00:11:40,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334435647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:40,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:11:40,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:11:40,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081116058] [2023-11-12 00:11:40,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:40,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:11:40,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:11:40,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:11:40,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:11:40,869 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-12 00:11:40,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:40,907 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2023-11-12 00:11:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:11:40,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-12 00:11:40,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:40,918 INFO L225 Difference]: With dead ends: 14 [2023-11-12 00:11:40,919 INFO L226 Difference]: Without dead ends: 8 [2023-11-12 00:11:40,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:11:40,926 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:40,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:11:40,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-12 00:11:40,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-12 00:11:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2023-11-12 00:11:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-12 00:11:40,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-12 00:11:40,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:40,962 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-12 00:11:40,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-12 00:11:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-12 00:11:40,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:11:40,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:40,963 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-12 00:11:40,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:11:40,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:40,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:40,965 INFO L85 PathProgramCache]: Analyzing trace with hash -476212643, now seen corresponding path program 1 times [2023-11-12 00:11:40,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:11:40,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193665493] [2023-11-12 00:11:40,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:40,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:11:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:11:41,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:11:41,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193665493] [2023-11-12 00:11:41,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193665493] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:11:41,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976239457] [2023-11-12 00:11:41,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:41,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:11:41,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:41,162 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:11:41,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:11:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:41,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 00:11:41,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:11:41,406 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:11:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:11:41,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976239457] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:11:41,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1258959696] [2023-11-12 00:11:41,558 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2023-11-12 00:11:41,558 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:11:41,562 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:11:41,571 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:11:41,572 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:11:42,098 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:11:42,476 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '88#(and (<= 1 |#StackHeapBarrier|) (= 30 (mod |ULTIMATE.start_main_~x~0#1| 4294967296)) (<= 12 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-12 00:11:42,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:11:42,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:11:42,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 10 [2023-11-12 00:11:42,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608779790] [2023-11-12 00:11:42,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:11:42,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 00:11:42,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:11:42,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 00:11:42,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:11:42,480 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 10 states have internal predecessors, (17), 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) [2023-11-12 00:11:42,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:42,591 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2023-11-12 00:11:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 00:11:42,591 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-12 00:11:42,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:42,592 INFO L225 Difference]: With dead ends: 20 [2023-11-12 00:11:42,592 INFO L226 Difference]: Without dead ends: 18 [2023-11-12 00:11:42,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2023-11-12 00:11:42,595 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:42,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:11:42,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-11-12 00:11:42,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-12 00:11:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 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) [2023-11-12 00:11:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2023-11-12 00:11:42,601 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 7 [2023-11-12 00:11:42,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:42,602 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2023-11-12 00:11:42,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 10 states have internal predecessors, (17), 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) [2023-11-12 00:11:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2023-11-12 00:11:42,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:11:42,603 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:42,603 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1] [2023-11-12 00:11:42,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:42,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-12 00:11:42,809 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:42,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:42,809 INFO L85 PathProgramCache]: Analyzing trace with hash -726641521, now seen corresponding path program 2 times [2023-11-12 00:11:42,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:11:42,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558629955] [2023-11-12 00:11:42,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:42,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:11:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:11:43,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:11:43,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558629955] [2023-11-12 00:11:43,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558629955] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:11:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086497678] [2023-11-12 00:11:43,174 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:11:43,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:11:43,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:43,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:11:43,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:11:43,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-12 00:11:43,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:11:43,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-12 00:11:43,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:11:43,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:11:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:11:43,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086497678] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:11:43,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [615925368] [2023-11-12 00:11:43,541 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2023-11-12 00:11:43,541 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:11:43,542 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:11:43,542 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:11:43,542 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:11:43,808 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:11:44,221 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '253#(and (<= 1 |#StackHeapBarrier|) (= 30 (mod |ULTIMATE.start_main_~x~0#1| 4294967296)) (<= 12 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-12 00:11:44,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:11:44,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:11:44,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-11-12 00:11:44,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017579314] [2023-11-12 00:11:44,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:11:44,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-12 00:11:44,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:11:44,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-12 00:11:44,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:11:44,225 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 17 states have internal predecessors, (44), 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) [2023-11-12 00:11:50,744 WARN L293 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-12 00:12:00,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:12:00,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:12:00,329 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2023-11-12 00:12:00,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-12 00:12:00,331 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 17 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-12 00:12:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:12:00,332 INFO L225 Difference]: With dead ends: 38 [2023-11-12 00:12:00,332 INFO L226 Difference]: Without dead ends: 36 [2023-11-12 00:12:00,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=265, Invalid=925, Unknown=0, NotChecked=0, Total=1190 [2023-11-12 00:12:00,334 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 22 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:12:00,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 51 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-12 00:12:00,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-12 00:12:00,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2023-11-12 00:12:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 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) [2023-11-12 00:12:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2023-11-12 00:12:00,346 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 16 [2023-11-12 00:12:00,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:12:00,347 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2023-11-12 00:12:00,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 17 states have internal predecessors, (44), 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) [2023-11-12 00:12:00,350 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2023-11-12 00:12:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 00:12:00,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:00,353 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1] [2023-11-12 00:12:00,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:12:00,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:12:00,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:12:00,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:00,565 INFO L85 PathProgramCache]: Analyzing trace with hash 803030095, now seen corresponding path program 3 times [2023-11-12 00:12:00,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:12:00,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819316547] [2023-11-12 00:12:00,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:00,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:12:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:12:01,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:12:01,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819316547] [2023-11-12 00:12:01,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819316547] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:12:01,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519015635] [2023-11-12 00:12:01,151 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-12 00:12:01,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:12:01,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:01,153 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:12:01,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaa5ca7c-4a5a-4b74-98b7-480f5ffecc74/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:12:01,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-12 00:12:01,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:12:01,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-12 00:12:01,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:12:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:12:01,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:12:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:12:10,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519015635] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:12:10,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1132125153] [2023-11-12 00:12:10,556 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2023-11-12 00:12:10,556 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:12:10,556 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:12:10,557 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:12:10,557 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:12:10,802 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:12:13,898 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '614#(and (<= 1 |#StackHeapBarrier|) (= 30 (mod |ULTIMATE.start_main_~x~0#1| 4294967296)) (<= 12 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-12 00:12:13,899 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:12:13,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:12:13,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 37 [2023-11-12 00:12:13,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944714015] [2023-11-12 00:12:13,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:12:13,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-11-12 00:12:13,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:12:13,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-11-12 00:12:13,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1441, Unknown=2, NotChecked=0, Total=1722 [2023-11-12 00:12:13,904 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand has 38 states, 38 states have (on average 2.5789473684210527) internal successors, (98), 37 states have internal predecessors, (98), 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) [2023-11-12 00:12:16,459 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (= (mod (+ 40 |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 5)) 4294967296) 30)) (.cse3 (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 2) 4) 4294967296) 30)) (.cse0 (= 30 (mod (+ |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (.cse2 (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12 (* |c_ULTIMATE.start_main_~y~0#1| 3)) 4294967296) 30)) (.cse1 (= 30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 4) 24) 4294967296)))) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (not .cse0) (or .cse1 (not (= (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| 10) |c_ULTIMATE.start_main_~x~0#1| 180) 4294967296) 30))) (or (not (= 30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 144 (* |c_ULTIMATE.start_main_~y~0#1| 9)) 4294967296))) .cse2) (or (not (= 30 (mod (+ 112 |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 8)) 4294967296))) .cse3) (or (not (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 11) 220) 4294967296) 30)) .cse4) (not .cse4) (not .cse3) (or .cse0 (not (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 7) 84) 4294967296) 30))) (not (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 6) 60) 4294967296) 30)) (not .cse2) (not .cse1))) is different from false [2023-11-12 00:12:18,488 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 2) 4) 4294967296) 30)) (.cse0 (= 30 (mod (+ |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (.cse2 (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12 (* |c_ULTIMATE.start_main_~y~0#1| 3)) 4294967296) 30)) (.cse1 (= 30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 4) 24) 4294967296)))) (and (not .cse0) (or .cse1 (not (= (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| 10) |c_ULTIMATE.start_main_~x~0#1| 180) 4294967296) 30))) (or (not (= 30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 144 (* |c_ULTIMATE.start_main_~y~0#1| 9)) 4294967296))) .cse2) (or (not (= 30 (mod (+ 112 |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 8)) 4294967296))) .cse3) (not (= (mod (+ 40 |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 5)) 4294967296) 30)) (not .cse3) (or .cse0 (not (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 7) 84) 4294967296) 30))) (not (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 6) 60) 4294967296) 30)) (not .cse2) (not .cse1))) is different from false [2023-11-12 00:12:20,505 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (.cse3 (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 2) 4) 4294967296) 30)) (.cse0 (= 30 (mod (+ |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (.cse2 (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12 (* |c_ULTIMATE.start_main_~y~0#1| 3)) 4294967296) 30))) (and (not .cse0) (or (not (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 6) 60) 4294967296) 30)) .cse1) (or (not (= 30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 144 (* |c_ULTIMATE.start_main_~y~0#1| 9)) 4294967296))) .cse2) (not .cse1) (or (not (= 30 (mod (+ 112 |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 8)) 4294967296))) .cse3) (not (= (mod (+ 40 |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 5)) 4294967296) 30)) (not .cse3) (or .cse0 (not (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 7) 84) 4294967296) 30))) (not .cse2) (not (= 30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 4) 24) 4294967296))))) is different from false [2023-11-12 00:12:22,512 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 2) 4) 4294967296) 30)) (.cse0 (= 30 (mod (+ |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (.cse1 (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12 (* |c_ULTIMATE.start_main_~y~0#1| 3)) 4294967296) 30))) (and (not .cse0) (or (not (= 30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 144 (* |c_ULTIMATE.start_main_~y~0#1| 9)) 4294967296))) .cse1) (or (not (= 30 (mod (+ 112 |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 8)) 4294967296))) .cse2) (not (= (mod (+ 40 |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 5)) 4294967296) 30)) (not .cse2) (or .cse0 (not (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 7) 84) 4294967296) 30))) (not (= (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 6) 60) 4294967296) 30)) (not .cse1) (not (= 30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 4) 24) 4294967296))))) is different from false