./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifcomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/ifcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh --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 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:34:45,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:34:45,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:34:45,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:34:45,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:34:45,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:34:45,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:34:45,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:34:45,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:34:45,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:34:45,879 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:34:45,880 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:34:45,880 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:34:45,881 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:34:45,881 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:34:45,882 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:34:45,882 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:34:45,883 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:34:45,883 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:34:45,884 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:34:45,884 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:34:45,885 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:34:45,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:34:45,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:34:45,887 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:34:45,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:34:45,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:34:45,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:34:45,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:34:45,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:34:45,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:34:45,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:34:45,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:34:45,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:34:45,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:34:45,891 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:34:45,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:34:45,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:34:45,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:34:45,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:34:45,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:34:45,892 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:34:45,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:34:45,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:34:45,893 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:34:45,893 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:34:45,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:34:45,893 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_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 [2023-12-02 14:34:46,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:34:46,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:34:46,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:34:46,138 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:34:46,138 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:34:46,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/array-fpi/ifcomp.c [2023-12-02 14:34:48,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:34:49,082 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:34:49,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/sv-benchmarks/c/array-fpi/ifcomp.c [2023-12-02 14:34:49,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/data/8c102ebef/8d632e088c764ec7b7edd819c4265b50/FLAGd0191c5e3 [2023-12-02 14:34:49,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/data/8c102ebef/8d632e088c764ec7b7edd819c4265b50 [2023-12-02 14:34:49,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:34:49,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:34:49,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:34:49,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:34:49,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:34:49,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26436efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49, skipping insertion in model container [2023-12-02 14:34:49,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:34:49,249 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_8c8f3a07-2eff-4682-976f-04ec828d8059/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2023-12-02 14:34:49,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:34:49,280 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:34:49,290 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_8c8f3a07-2eff-4682-976f-04ec828d8059/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2023-12-02 14:34:49,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:34:49,315 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:34:49,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49 WrapperNode [2023-12-02 14:34:49,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:34:49,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:34:49,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:34:49,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:34:49,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,348 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2023-12-02 14:34:49,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:34:49,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:34:49,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:34:49,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:34:49,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:34:49,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:34:49,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:34:49,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:34:49,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (1/1) ... [2023-12-02 14:34:49,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:34:49,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:34:49,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:34:49,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:34:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:34:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:34:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:34:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:34:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:34:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:34:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:34:49,505 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:34:49,507 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:34:49,688 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:34:49,778 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:34:49,778 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 14:34:49,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:34:49 BoogieIcfgContainer [2023-12-02 14:34:49,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:34:49,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:34:49,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:34:49,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:34:49,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:34:49" (1/3) ... [2023-12-02 14:34:49,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1082fb81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:34:49, skipping insertion in model container [2023-12-02 14:34:49,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:49" (2/3) ... [2023-12-02 14:34:49,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1082fb81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:34:49, skipping insertion in model container [2023-12-02 14:34:49,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:34:49" (3/3) ... [2023-12-02 14:34:49,790 INFO L112 eAbstractionObserver]: Analyzing ICFG ifcomp.c [2023-12-02 14:34:49,809 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:34:49,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:34:49,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:34:49,852 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;@3c38a796, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:34:49,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:34:49,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 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) [2023-12-02 14:34:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 14:34:49,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:34:49,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:34:49,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:34:49,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:34:49,866 INFO L85 PathProgramCache]: Analyzing trace with hash -24508154, now seen corresponding path program 1 times [2023-12-02 14:34:49,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:34:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983724965] [2023-12-02 14:34:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:49,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:34:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:34:50,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:34:50,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983724965] [2023-12-02 14:34:50,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-02 14:34:50,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253681776] [2023-12-02 14:34:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:50,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:50,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:34:50,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:34:50,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:34:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:34:50,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:34:50,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:34:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:34:50,168 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:34:50,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253681776] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:34:50,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:34:50,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:34:50,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022455335] [2023-12-02 14:34:50,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:34:50,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:34:50,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:34:50,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:34:50,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:34:50,202 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 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) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2023-12-02 14:34:50,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:34:50,262 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2023-12-02 14:34:50,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:34:50,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Word has length 8 [2023-12-02 14:34:50,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:34:50,270 INFO L225 Difference]: With dead ends: 22 [2023-12-02 14:34:50,270 INFO L226 Difference]: Without dead ends: 11 [2023-12-02 14:34:50,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:34:50,275 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:34:50,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:34:50,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-12-02 14:34:50,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-12-02 14:34:50,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2023-12-02 14:34:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-12-02 14:34:50,298 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 8 [2023-12-02 14:34:50,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:34:50,299 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-12-02 14:34:50,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2023-12-02 14:34:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-12-02 14:34:50,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 14:34:50,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:34:50,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:34:50,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:34:50,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 14:34:50,501 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:34:50,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:34:50,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1528728229, now seen corresponding path program 1 times [2023-12-02 14:34:50,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:34:50,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537997098] [2023-12-02 14:34:50,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:50,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:34:50,534 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:34:50,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1938917296] [2023-12-02 14:34:50,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:50,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:50,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:34:50,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:34:50,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 14:34:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:34:50,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:34:50,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:34:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 14:34:50,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:34:50,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:34:50,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537997098] [2023-12-02 14:34:50,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:34:50,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938917296] [2023-12-02 14:34:50,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938917296] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:34:50,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:34:50,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 14:34:50,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953947339] [2023-12-02 14:34:50,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:34:50,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:34:50,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:34:50,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:34:50,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:34:50,639 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:34:50,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:34:50,695 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2023-12-02 14:34:50,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:34:50,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-02 14:34:50,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:34:50,696 INFO L225 Difference]: With dead ends: 24 [2023-12-02 14:34:50,697 INFO L226 Difference]: Without dead ends: 18 [2023-12-02 14:34:50,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:34:50,699 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:34:50,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 6 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:34:50,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-12-02 14:34:50,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2023-12-02 14:34:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:34:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2023-12-02 14:34:50,704 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2023-12-02 14:34:50,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:34:50,704 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-12-02 14:34:50,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:34:50,704 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-12-02 14:34:50,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 14:34:50,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:34:50,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:34:50,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 14:34:50,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:50,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:34:50,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:34:50,908 INFO L85 PathProgramCache]: Analyzing trace with hash 6351550, now seen corresponding path program 1 times [2023-12-02 14:34:50,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:34:50,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864386812] [2023-12-02 14:34:50,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:50,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:34:50,951 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:34:50,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886055739] [2023-12-02 14:34:50,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:50,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:50,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:34:50,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:34:50,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 14:34:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:34:51,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 14:34:51,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:34:51,095 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 11 treesize of output 7 [2023-12-02 14:34:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 14:34:51,135 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:34:51,306 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:34:51,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-12-02 14:34:51,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:34:51,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-12-02 14:34:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 14:34:51,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:34:51,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864386812] [2023-12-02 14:34:51,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:34:51,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886055739] [2023-12-02 14:34:51,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886055739] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:34:51,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [598459178] [2023-12-02 14:34:51,369 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-12-02 14:34:51,369 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:34:51,373 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:34:51,377 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:34:51,378 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:34:52,129 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:34:52,289 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '235#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-12-02 14:34:52,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:34:52,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:34:52,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-02 14:34:52,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531975137] [2023-12-02 14:34:52,290 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:34:52,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 14:34:52,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:34:52,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 14:34:52,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-12-02 14:34:52,292 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-12-02 14:34:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:34:52,466 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2023-12-02 14:34:52,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 14:34:52,466 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 11 [2023-12-02 14:34:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:34:52,467 INFO L225 Difference]: With dead ends: 29 [2023-12-02 14:34:52,467 INFO L226 Difference]: Without dead ends: 27 [2023-12-02 14:34:52,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-12-02 14:34:52,469 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:34:52,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 26 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:34:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-12-02 14:34:52,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 16. [2023-12-02 14:34:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:34:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-12-02 14:34:52,476 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 11 [2023-12-02 14:34:52,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:34:52,476 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-12-02 14:34:52,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-12-02 14:34:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-02 14:34:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 14:34:52,477 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:34:52,477 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:34:52,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 14:34:52,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:52,680 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:34:52,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:34:52,680 INFO L85 PathProgramCache]: Analyzing trace with hash 192605285, now seen corresponding path program 2 times [2023-12-02 14:34:52,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:34:52,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711213851] [2023-12-02 14:34:52,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:52,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:34:52,719 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:34:52,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2069250912] [2023-12-02 14:34:52,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 14:34:52,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:52,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:34:52,721 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:34:52,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 14:34:52,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 14:34:52,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:34:52,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 14:34:52,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:34:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 14:34:52,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:34:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 14:34:52,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:34:52,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711213851] [2023-12-02 14:34:52,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:34:52,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069250912] [2023-12-02 14:34:52,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069250912] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:34:52,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1521276935] [2023-12-02 14:34:52,885 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-12-02 14:34:52,886 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:34:52,886 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:34:52,886 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:34:52,886 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:34:53,405 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:34:53,570 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '386#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-12-02 14:34:53,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:34:53,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:34:53,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-12-02 14:34:53,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741993134] [2023-12-02 14:34:53,571 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:34:53,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 14:34:53,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:34:53,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 14:34:53,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-12-02 14:34:53,572 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:34:53,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:34:53,727 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2023-12-02 14:34:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:34:53,729 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-02 14:34:53,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:34:53,729 INFO L225 Difference]: With dead ends: 45 [2023-12-02 14:34:53,729 INFO L226 Difference]: Without dead ends: 26 [2023-12-02 14:34:53,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2023-12-02 14:34:53,731 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:34:53,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 22 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:34:53,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-12-02 14:34:53,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2023-12-02 14:34:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 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) [2023-12-02 14:34:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-12-02 14:34:53,736 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 12 [2023-12-02 14:34:53,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:34:53,736 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-12-02 14:34:53,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:34:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-02 14:34:53,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 14:34:53,737 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:34:53,737 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:34:53,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 14:34:53,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:53,943 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:34:53,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:34:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1450073990, now seen corresponding path program 3 times [2023-12-02 14:34:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:34:53,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210221232] [2023-12-02 14:34:53,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:53,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:34:53,983 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:34:53,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969976653] [2023-12-02 14:34:53,983 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 14:34:53,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:34:53,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:34:53,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 14:34:54,306 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 14:34:54,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:34:54,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 14:34:54,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:34:54,347 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 11 treesize of output 7 [2023-12-02 14:34:54,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 14:34:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 14:34:54,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:34:54,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-02 14:34:54,682 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:34:54,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-12-02 14:34:54,698 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:34:54,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-12-02 14:34:54,752 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 70 treesize of output 56 [2023-12-02 14:34:54,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2023-12-02 14:34:54,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-02 14:34:54,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2023-12-02 14:34:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 14:34:54,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:34:54,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210221232] [2023-12-02 14:34:54,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:34:54,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969976653] [2023-12-02 14:34:54,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969976653] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:34:54,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1412976848] [2023-12-02 14:34:54,793 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-12-02 14:34:54,793 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:34:54,793 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:34:54,794 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:34:54,794 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:34:55,316 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:34:55,485 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '582#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-12-02 14:34:55,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:34:55,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:34:55,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2023-12-02 14:34:55,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265388475] [2023-12-02 14:34:55,486 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:34:55,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 14:34:55,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:34:55,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 14:34:55,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-12-02 14:34:55,488 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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) [2023-12-02 14:34:55,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:34:55,850 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2023-12-02 14:34:55,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 14:34:55,850 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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 14 [2023-12-02 14:34:55,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:34:55,851 INFO L225 Difference]: With dead ends: 43 [2023-12-02 14:34:55,851 INFO L226 Difference]: Without dead ends: 41 [2023-12-02 14:34:55,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2023-12-02 14:34:55,853 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 65 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:34:55,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 31 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 14:34:55,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-12-02 14:34:55,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 20. [2023-12-02 14:34:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:34:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2023-12-02 14:34:55,860 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 14 [2023-12-02 14:34:55,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:34:55,860 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-12-02 14:34:55,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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) [2023-12-02 14:34:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-02 14:34:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 14:34:55,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:34:55,861 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:34:55,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 14:34:56,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:56,063 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:34:56,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:34:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1814332006, now seen corresponding path program 4 times [2023-12-02 14:34:56,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:34:56,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302818465] [2023-12-02 14:34:56,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:34:56,108 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:34:56,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1117059032] [2023-12-02 14:34:56,108 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 14:34:56,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:56,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:34:56,110 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:34:56,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 14:34:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:34:56,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 14:34:56,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:34:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 14:34:56,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:34:56,302 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 14:34:56,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:34:56,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302818465] [2023-12-02 14:34:56,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:34:56,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117059032] [2023-12-02 14:34:56,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117059032] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:34:56,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2020921320] [2023-12-02 14:34:56,305 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-12-02 14:34:56,305 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:34:56,305 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:34:56,305 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:34:56,306 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:34:56,713 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:34:57,006 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '796#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (exists ((|v_ULTIMATE.start_main_~i~0#1_157| Int)) (and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (<= ~N~0 |v_ULTIMATE.start_main_~i~0#1_157|))) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-12-02 14:34:57,007 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:34:57,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:34:57,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2023-12-02 14:34:57,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928058495] [2023-12-02 14:34:57,007 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:34:57,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 14:34:57,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:34:57,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 14:34:57,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2023-12-02 14:34:57,009 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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) [2023-12-02 14:34:57,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:34:57,183 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2023-12-02 14:34:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 14:34:57,183 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 [2023-12-02 14:34:57,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:34:57,184 INFO L225 Difference]: With dead ends: 65 [2023-12-02 14:34:57,184 INFO L226 Difference]: Without dead ends: 50 [2023-12-02 14:34:57,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 21 SyntacticMatches, 9 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-12-02 14:34:57,186 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 44 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:34:57,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 27 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:34:57,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-02 14:34:57,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 33. [2023-12-02 14:34:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 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) [2023-12-02 14:34:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2023-12-02 14:34:57,195 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 16 [2023-12-02 14:34:57,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:34:57,196 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2023-12-02 14:34:57,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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) [2023-12-02 14:34:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-12-02 14:34:57,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 14:34:57,197 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:34:57,197 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:34:57,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 14:34:57,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:57,398 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:34:57,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:34:57,398 INFO L85 PathProgramCache]: Analyzing trace with hash 378375519, now seen corresponding path program 1 times [2023-12-02 14:34:57,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:34:57,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259228397] [2023-12-02 14:34:57,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:57,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:34:57,426 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:34:57,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004965246] [2023-12-02 14:34:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:34:57,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:34:57,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:34:57,428 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:34:57,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 14:34:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:34:57,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 14:34:57,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:34:57,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2023-12-02 14:34:57,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 14:34:57,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 14:34:57,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-02 14:34:57,796 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 14:34:57,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-12-02 14:34:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 14:34:57,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:34:58,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-02 14:34:58,666 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0))) (and (or .cse0 (let ((.cse1 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (and (not (= .cse1 0)) (forall ((v_DerPreprocessor_7 (Array Int Int))) (= (select (store v_DerPreprocessor_7 (+ (* (mod .cse1 4294967296) 8) |c_ULTIMATE.start_main_~c~0#1.offset|) (let ((.cse2 (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_7) |c_ULTIMATE.start_main_~b~0#1.base|) (+ .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select v_DerPreprocessor_7 (+ .cse2 |c_ULTIMATE.start_main_~c~0#1.offset|))))) (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) 1))))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not .cse0)))) is different from false [2023-12-02 14:34:58,804 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse4 (* .cse0 8))) (and (or (< 2147483647 .cse0) (forall ((v_DerPreprocessor_9 (Array Int Int))) (or (= (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_9))) (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse1 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= v_DerPreprocessor_9 (let ((.cse3 (+ .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse2 .cse3 (select v_DerPreprocessor_9 .cse3)))))))) (or (forall ((v_DerPreprocessor_9 (Array Int Int))) (or (not (= (let ((.cse5 (+ .cse4 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse2 .cse5 (select v_DerPreprocessor_9 .cse5))) v_DerPreprocessor_9)) (= (select (select (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_9))) (store .cse6 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) (< .cse0 2147483648)) (or (not (= |c_ULTIMATE.start_main_~i~0#1| 0)) (forall ((v_DerPreprocessor_10 (Array Int Int))) (= (select (select (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_10))) (store .cse7 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse7 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))) is different from false [2023-12-02 14:34:58,836 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:34:58,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-12-02 14:34:58,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:34:58,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-12-02 14:34:58,946 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2023-12-02 14:34:58,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 307 treesize of output 307 [2023-12-02 14:34:58,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 185 [2023-12-02 14:34:58,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2023-12-02 14:34:58,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2023-12-02 14:34:59,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:34:59,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 88 [2023-12-02 14:34:59,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2023-12-02 14:34:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 4 not checked. [2023-12-02 14:34:59,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:34:59,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259228397] [2023-12-02 14:34:59,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:34:59,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004965246] [2023-12-02 14:34:59,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004965246] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:34:59,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1001920874] [2023-12-02 14:34:59,091 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2023-12-02 14:34:59,091 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:34:59,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:34:59,092 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:34:59,092 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:34:59,549 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:34:59,843 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1082#(and (not (= (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_#t~mem17#1|)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) ~N~0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8))) |ULTIMATE.start_main_#t~mem17#1|) (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368))) |ULTIMATE.start_main_#t~mem17#1|) (<= 2147483648 (mod |ULTIMATE.start_main_~i~0#1| 4294967296)))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 14:34:59,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:34:59,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:34:59,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2023-12-02 14:34:59,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858137243] [2023-12-02 14:34:59,844 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:34:59,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-02 14:34:59,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:34:59,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-02 14:34:59,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=553, Unknown=2, NotChecked=98, Total=756 [2023-12-02 14:34:59,845 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:35:00,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:35:00,247 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2023-12-02 14:35:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 14:35:00,248 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-12-02 14:35:00,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:35:00,248 INFO L225 Difference]: With dead ends: 45 [2023-12-02 14:35:00,248 INFO L226 Difference]: Without dead ends: 32 [2023-12-02 14:35:00,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=195, Invalid=867, Unknown=2, NotChecked=126, Total=1190 [2023-12-02 14:35:00,250 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 52 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:35:00,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 26 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 138 Invalid, 0 Unknown, 60 Unchecked, 0.2s Time] [2023-12-02 14:35:00,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-12-02 14:35:00,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2023-12-02 14:35:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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) [2023-12-02 14:35:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2023-12-02 14:35:00,258 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 17 [2023-12-02 14:35:00,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:35:00,258 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-12-02 14:35:00,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:35:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-12-02 14:35:00,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 14:35:00,259 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:35:00,259 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:35:00,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 14:35:00,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:00,459 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:35:00,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:35:00,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1060252827, now seen corresponding path program 5 times [2023-12-02 14:35:00,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:35:00,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590763344] [2023-12-02 14:35:00,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:35:00,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:35:00,497 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:35:00,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31306635] [2023-12-02 14:35:00,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 14:35:00,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:00,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:35:00,499 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:35:00,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 14:35:01,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 14:35:01,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:35:01,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 14:35:01,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:35:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 14:35:01,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:35:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 14:35:01,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:35:01,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590763344] [2023-12-02 14:35:01,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:35:01,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31306635] [2023-12-02 14:35:01,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31306635] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:35:01,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1439620876] [2023-12-02 14:35:01,214 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-12-02 14:35:01,214 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:35:01,214 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:35:01,214 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:35:01,215 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:35:01,524 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:35:01,656 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1336#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-12-02 14:35:01,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:35:01,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:35:01,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2023-12-02 14:35:01,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768928960] [2023-12-02 14:35:01,656 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:35:01,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 14:35:01,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:35:01,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 14:35:01,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-12-02 14:35:01,657 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 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) [2023-12-02 14:35:01,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:35:01,879 INFO L93 Difference]: Finished difference Result 89 states and 102 transitions. [2023-12-02 14:35:01,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 14:35:01,880 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 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 18 [2023-12-02 14:35:01,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:35:01,881 INFO L225 Difference]: With dead ends: 89 [2023-12-02 14:35:01,881 INFO L226 Difference]: Without dead ends: 69 [2023-12-02 14:35:01,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2023-12-02 14:35:01,882 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 78 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:35:01,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 60 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 14:35:01,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-02 14:35:01,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 40. [2023-12-02 14:35:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:35:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2023-12-02 14:35:01,891 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 18 [2023-12-02 14:35:01,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:35:01,891 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-12-02 14:35:01,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 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) [2023-12-02 14:35:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-12-02 14:35:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 14:35:01,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:35:01,892 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:35:01,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 14:35:02,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:02,092 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:35:02,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:35:02,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1460558912, now seen corresponding path program 2 times [2023-12-02 14:35:02,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:35:02,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696041029] [2023-12-02 14:35:02,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:35:02,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:35:02,119 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:35:02,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039476481] [2023-12-02 14:35:02,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 14:35:02,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:02,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:35:02,121 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:35:02,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 14:35:02,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 14:35:02,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:35:02,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 14:35:02,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:35:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 14:35:02,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:35:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 14:35:02,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:35:02,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696041029] [2023-12-02 14:35:02,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:35:02,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039476481] [2023-12-02 14:35:02,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039476481] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:35:02,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1839544984] [2023-12-02 14:35:02,602 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2023-12-02 14:35:02,602 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:35:02,602 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:35:02,602 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:35:02,602 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:35:03,022 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:35:03,245 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1675#(and (not (= (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_#t~mem17#1|)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) ~N~0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8))) |ULTIMATE.start_main_#t~mem17#1|) (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368))) |ULTIMATE.start_main_#t~mem17#1|) (<= 2147483648 (mod |ULTIMATE.start_main_~i~0#1| 4294967296)))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 14:35:03,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:35:03,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:35:03,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2023-12-02 14:35:03,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993121374] [2023-12-02 14:35:03,246 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:35:03,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 14:35:03,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:35:03,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 14:35:03,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-12-02 14:35:03,247 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:35:03,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:35:03,463 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2023-12-02 14:35:03,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 14:35:03,464 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-12-02 14:35:03,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:35:03,464 INFO L225 Difference]: With dead ends: 60 [2023-12-02 14:35:03,464 INFO L226 Difference]: Without dead ends: 53 [2023-12-02 14:35:03,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 29 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2023-12-02 14:35:03,466 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 74 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:35:03,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 27 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:35:03,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-12-02 14:35:03,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 38. [2023-12-02 14:35:03,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 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) [2023-12-02 14:35:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2023-12-02 14:35:03,477 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 19 [2023-12-02 14:35:03,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:35:03,477 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2023-12-02 14:35:03,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:35:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-12-02 14:35:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 14:35:03,478 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:35:03,478 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:35:03,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 14:35:03,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:03,678 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:35:03,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:35:03,679 INFO L85 PathProgramCache]: Analyzing trace with hash -967092730, now seen corresponding path program 6 times [2023-12-02 14:35:03,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:35:03,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051343580] [2023-12-02 14:35:03,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:35:03,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:35:03,715 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:35:03,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2119648860] [2023-12-02 14:35:03,715 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 14:35:03,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:03,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:35:03,716 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:35:03,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 14:35:05,725 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 14:35:05,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:35:05,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 14:35:05,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:35:05,771 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 11 treesize of output 7 [2023-12-02 14:35:05,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 14:35:05,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 14:35:05,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 14:35:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 14:35:05,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:35:05,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-02 14:35:06,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-02 14:35:06,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-02 14:35:07,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:35:07,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-12-02 14:35:07,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:35:07,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-12-02 14:35:07,229 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 363 treesize of output 341 [2023-12-02 14:35:07,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2023-12-02 14:35:07,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 66 [2023-12-02 14:35:07,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 318 [2023-12-02 14:35:07,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2023-12-02 14:35:07,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 66 [2023-12-02 14:35:07,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2023-12-02 14:35:07,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-02 14:35:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 14:35:07,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:35:07,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051343580] [2023-12-02 14:35:07,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:35:07,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119648860] [2023-12-02 14:35:07,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119648860] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:35:07,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1410896232] [2023-12-02 14:35:07,377 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-12-02 14:35:07,377 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:35:07,378 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:35:07,378 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:35:07,378 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:35:07,664 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:35:07,804 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1982#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-12-02 14:35:07,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:35:07,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:35:07,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2023-12-02 14:35:07,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212911424] [2023-12-02 14:35:07,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:35:07,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-02 14:35:07,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:35:07,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-02 14:35:07,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2023-12-02 14:35:07,806 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 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) [2023-12-02 14:35:09,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:35:09,170 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions. [2023-12-02 14:35:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 14:35:09,171 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 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 20 [2023-12-02 14:35:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:35:09,173 INFO L225 Difference]: With dead ends: 97 [2023-12-02 14:35:09,173 INFO L226 Difference]: Without dead ends: 95 [2023-12-02 14:35:09,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=280, Invalid=1202, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 14:35:09,175 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 122 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 14:35:09,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 112 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 14:35:09,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-12-02 14:35:09,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 44. [2023-12-02 14:35:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 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) [2023-12-02 14:35:09,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2023-12-02 14:35:09,190 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 20 [2023-12-02 14:35:09,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:35:09,191 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2023-12-02 14:35:09,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 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) [2023-12-02 14:35:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-12-02 14:35:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 14:35:09,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:35:09,192 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:35:09,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 14:35:09,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 14:35:09,392 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:35:09,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:35:09,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1160135129, now seen corresponding path program 3 times [2023-12-02 14:35:09,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:35:09,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139392165] [2023-12-02 14:35:09,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:35:09,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:35:09,417 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:35:09,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064688464] [2023-12-02 14:35:09,418 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 14:35:09,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:09,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:35:09,419 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:35:09,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 14:35:10,259 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 14:35:10,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:35:10,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-02 14:35:10,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:35:10,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2023-12-02 14:35:10,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 14:35:10,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 14:35:10,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 14:35:10,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-02 14:35:10,429 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 14:35:10,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-12-02 14:35:10,458 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 14:35:10,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 37 treesize of output 31 [2023-12-02 14:35:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 14:35:10,571 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:35:10,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-02 14:35:11,863 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0))) (and (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not .cse0)) (or .cse0 (let ((.cse9 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse2 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse18 (mod .cse2 4294967296)) (.cse21 (mod .cse9 4294967296))) (let ((.cse15 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse19 (* 8 .cse21)) (.cse20 (* .cse18 8))) (let ((.cse8 (+ .cse20 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse13 (< .cse18 2147483648)) (.cse6 (+ .cse19 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse10 (< 2147483647 .cse21)) (.cse12 (< .cse21 2147483648)) (.cse3 (+ .cse20 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse11 (+ .cse19 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse7 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse1 (< 2147483647 .cse18)) (.cse14 (* .cse15 8))) (and (or (let ((.cse4 (+ .cse14 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse5 (+ .cse14 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse1 (and (not (= .cse2 0)) (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_prenex_46 Int)) (= (select (store (store v_DerPreprocessor_53 .cse3 (+ (select v_DerPreprocessor_53 .cse4) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))) .cse6 v_prenex_46) .cse7) 1)))) (or (and (or (and (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_prenex_45 Int)) (= (select (store (store v_DerPreprocessor_53 .cse8 (+ (select v_DerPreprocessor_53 .cse4) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))) .cse6 v_prenex_45) .cse7) 1)) (not (= .cse9 0))) .cse10) (or (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_prenex_47 Int)) (= (select (store (store v_DerPreprocessor_53 .cse8 (+ (select v_DerPreprocessor_53 .cse4) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))) .cse11 v_prenex_47) .cse7) 1)) .cse12)) .cse13))) (< .cse15 2147483648)) (or (< 2147483647 .cse15) (let ((.cse16 (+ .cse14 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse17 (+ .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_prenex_44 Int)) (= (select (store (store v_DerPreprocessor_53 .cse8 (+ (select v_DerPreprocessor_53 .cse16) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse17))) .cse11 v_prenex_44) .cse7) 1)) .cse13) (or (and (or (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_DerPreprocessor_49 Int)) (= (select (store (store v_DerPreprocessor_53 .cse3 (+ (select v_DerPreprocessor_53 .cse16) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse17))) .cse6 v_DerPreprocessor_49) .cse7) 1)) .cse10) (or .cse12 (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_DerPreprocessor_51 Int)) (= (select (store (store v_DerPreprocessor_53 .cse3 (+ (select v_DerPreprocessor_53 .cse16) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse17))) .cse11 v_DerPreprocessor_51) .cse7) 1)))) .cse1)))))))))))) is different from false [2023-12-02 14:35:13,051 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse3 (* .cse6 8))) (and (or (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0))) (and (or .cse0 (forall ((v_DerPreprocessor_56 (Array Int Int))) (or (not (= v_DerPreprocessor_56 (let ((.cse2 (+ .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse1 .cse2 (select v_DerPreprocessor_56 .cse2))))) (= (select (select (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_56))) (store .cse4 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))) (or (not .cse0) (forall ((v_DerPreprocessor_55 (Array Int Int))) (= (select (select (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_55))) (store .cse5 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) (< 2147483647 .cse6)) (or (forall ((v_DerPreprocessor_57 (Array Int Int))) (or (not (= v_DerPreprocessor_57 (let ((.cse7 (+ .cse3 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse1 .cse7 (select v_DerPreprocessor_57 .cse7))))) (= (select (select (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_57))) (store .cse8 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) (< .cse6 2147483648))))) is different from false [2023-12-02 14:35:13,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-12-02 14:35:18,743 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse18 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse16 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse9 (mod .cse16 4294967296)) (.cse17 (* .cse18 8))) (let ((.cse7 (< .cse18 2147483648)) (.cse5 (+ .cse17 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse0 (< 2147483647 .cse18)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse2 (+ .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (* .cse9 8))) (and (or (let ((.cse3 (+ .cse8 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse0 (forall ((v_DerPreprocessor_57 (Array Int Int))) (or (not (= (store (store .cse1 .cse2 (select v_DerPreprocessor_57 .cse2)) .cse3 (select v_DerPreprocessor_57 .cse3)) v_DerPreprocessor_57)) (= (select (select (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_57))) (store .cse4 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))) (or (forall ((v_DerPreprocessor_57 (Array Int Int))) (or (not (= v_DerPreprocessor_57 (store (store .cse1 .cse5 (select v_DerPreprocessor_57 .cse5)) .cse3 (select v_DerPreprocessor_57 .cse3)))) (= (select (select (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_57))) (store .cse6 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) .cse7))) (< .cse9 2147483648)) (or (< 2147483647 .cse9) (let ((.cse14 (= .cse16 0))) (and (or (let ((.cse10 (+ .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse7 (forall ((v_DerPreprocessor_56 (Array Int Int))) (or (not (= v_DerPreprocessor_56 (store (store .cse1 .cse5 (select v_DerPreprocessor_56 .cse5)) .cse10 (select v_DerPreprocessor_56 .cse10)))) (= (select (select (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_56))) (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse11 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))) (or (not (= |c_ULTIMATE.start_main_~i~0#1| 0)) (forall ((v_DerPreprocessor_56 (Array Int Int))) (= (select (select (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_56))) (store .cse12 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse12 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) (or .cse0 (forall ((v_DerPreprocessor_56 (Array Int Int))) (or (not (= v_DerPreprocessor_56 (store (store .cse1 .cse2 (select v_DerPreprocessor_56 .cse2)) .cse10 (select v_DerPreprocessor_56 .cse10)))) (= (select (select (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_56))) (store .cse13 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))) .cse14) (or (not .cse14) (forall ((v_DerPreprocessor_55 (Array Int Int))) (= (select (select (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_55))) (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse15 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))))))) is different from false [2023-12-02 14:35:18,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:35:18,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-12-02 14:35:18,875 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:35:18,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-12-02 14:35:19,098 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2023-12-02 14:35:19,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 679 treesize of output 669 [2023-12-02 14:35:19,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 452 treesize of output 448 [2023-12-02 14:35:19,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 449 treesize of output 445 [2023-12-02 14:35:19,219 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:19,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2023-12-02 14:35:19,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:19,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2023-12-02 14:35:19,278 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:19,281 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:19,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2023-12-02 14:35:19,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 14:35:19,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:35:19,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 97 [2023-12-02 14:35:19,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2023-12-02 14:35:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 8 not checked. [2023-12-02 14:35:19,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:35:19,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139392165] [2023-12-02 14:35:19,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:35:19,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064688464] [2023-12-02 14:35:19,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064688464] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:35:19,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1822103167] [2023-12-02 14:35:19,449 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2023-12-02 14:35:19,449 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:35:19,450 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:35:19,450 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:35:19,450 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:35:19,814 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:35:20,401 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2373#(and (not (= (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_#t~mem17#1|)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) ~N~0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8))) |ULTIMATE.start_main_#t~mem17#1|) (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368))) |ULTIMATE.start_main_#t~mem17#1|) (<= 2147483648 (mod |ULTIMATE.start_main_~i~0#1| 4294967296)))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 14:35:20,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:35:20,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:35:20,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 27 [2023-12-02 14:35:20,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621538764] [2023-12-02 14:35:20,402 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:35:20,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 14:35:20,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:35:20,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 14:35:20,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=750, Unknown=3, NotChecked=174, Total=1056 [2023-12-02 14:35:20,404 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 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) [2023-12-02 14:35:21,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:35:21,552 INFO L93 Difference]: Finished difference Result 66 states and 76 transitions. [2023-12-02 14:35:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 14:35:21,553 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 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 20 [2023-12-02 14:35:21,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:35:21,553 INFO L225 Difference]: With dead ends: 66 [2023-12-02 14:35:21,554 INFO L226 Difference]: Without dead ends: 64 [2023-12-02 14:35:21,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=245, Invalid=1246, Unknown=3, NotChecked=228, Total=1722 [2023-12-02 14:35:21,555 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 63 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 132 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 14:35:21,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 68 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 247 Invalid, 0 Unknown, 132 Unchecked, 0.6s Time] [2023-12-02 14:35:21,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-02 14:35:21,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 49. [2023-12-02 14:35:21,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 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) [2023-12-02 14:35:21,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2023-12-02 14:35:21,567 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 20 [2023-12-02 14:35:21,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:35:21,567 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2023-12-02 14:35:21,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 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) [2023-12-02 14:35:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-12-02 14:35:21,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 14:35:21,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:35:21,569 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:35:21,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 14:35:21,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:21,769 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:35:21,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:35:21,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1827595128, now seen corresponding path program 4 times [2023-12-02 14:35:21,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:35:21,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34792212] [2023-12-02 14:35:21,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:35:21,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:35:21,794 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:35:21,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372209292] [2023-12-02 14:35:21,794 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 14:35:21,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:21,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:35:21,795 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:35:21,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 14:35:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:35:21,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 14:35:21,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:35:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 14:35:21,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:35:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 14:35:22,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:35:22,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34792212] [2023-12-02 14:35:22,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:35:22,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372209292] [2023-12-02 14:35:22,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372209292] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:35:22,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [524475417] [2023-12-02 14:35:22,042 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2023-12-02 14:35:22,042 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:35:22,042 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:35:22,042 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:35:22,043 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:35:22,411 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:35:22,672 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2727#(and (not (= (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_#t~mem17#1|)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) ~N~0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8))) |ULTIMATE.start_main_#t~mem17#1|) (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368))) |ULTIMATE.start_main_#t~mem17#1|) (<= 2147483648 (mod |ULTIMATE.start_main_~i~0#1| 4294967296)))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 14:35:22,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:35:22,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:35:22,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2023-12-02 14:35:22,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377562881] [2023-12-02 14:35:22,672 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:35:22,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 14:35:22,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:35:22,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 14:35:22,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2023-12-02 14:35:22,673 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2023-12-02 14:35:23,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:35:23,112 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2023-12-02 14:35:23,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 14:35:23,113 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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 22 [2023-12-02 14:35:23,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:35:23,114 INFO L225 Difference]: With dead ends: 85 [2023-12-02 14:35:23,114 INFO L226 Difference]: Without dead ends: 66 [2023-12-02 14:35:23,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 32 SyntacticMatches, 14 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2023-12-02 14:35:23,115 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 73 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:35:23,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 64 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 14:35:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-12-02 14:35:23,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 44. [2023-12-02 14:35:23,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 43 states have internal predecessors, (52), 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) [2023-12-02 14:35:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2023-12-02 14:35:23,130 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 22 [2023-12-02 14:35:23,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:35:23,130 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2023-12-02 14:35:23,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2023-12-02 14:35:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-12-02 14:35:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 14:35:23,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:35:23,131 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:35:23,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 14:35:23,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-02 14:35:23,332 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:35:23,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:35:23,332 INFO L85 PathProgramCache]: Analyzing trace with hash -13695265, now seen corresponding path program 5 times [2023-12-02 14:35:23,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:35:23,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780719336] [2023-12-02 14:35:23,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:35:23,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:35:23,361 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:35:23,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [801877955] [2023-12-02 14:35:23,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 14:35:23,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:35:23,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:35:23,363 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:35:23,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 14:35:25,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 14:35:25,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:35:25,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 72 conjunts are in the unsatisfiable core [2023-12-02 14:35:25,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:35:25,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2023-12-02 14:35:25,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 14:35:25,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 14:35:26,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 14:35:26,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 89 [2023-12-02 14:35:26,114 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-12-02 14:35:26,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 101 [2023-12-02 14:35:26,208 INFO L349 Elim1Store]: treesize reduction 27, result has 35.7 percent of original size [2023-12-02 14:35:26,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 32 [2023-12-02 14:35:26,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 14:35:26,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-02 14:35:26,350 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 14:35:26,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-12-02 14:35:26,389 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 14:35:26,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 37 treesize of output 31 [2023-12-02 14:35:26,473 INFO L349 Elim1Store]: treesize reduction 37, result has 21.3 percent of original size [2023-12-02 14:35:26,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 108 [2023-12-02 14:35:26,494 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-12-02 14:35:26,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 109 [2023-12-02 14:35:26,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 13 [2023-12-02 14:35:26,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-02 14:35:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:35:26,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:35:27,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2023-12-02 14:35:27,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-02 14:35:31,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2023-12-02 14:35:31,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2023-12-02 14:35:32,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2023-12-02 14:35:32,733 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-12-02 14:35:32,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 1 [2023-12-02 14:35:32,902 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-12-02 14:35:39,566 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:35:39,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-12-02 14:35:39,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:35:39,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-12-02 14:35:40,584 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:40,584 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:40,607 INFO L349 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-12-02 14:35:40,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 1 [2023-12-02 14:35:40,628 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:40,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 1 [2023-12-02 14:35:40,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 1 [2023-12-02 14:35:40,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2023-12-02 14:35:40,696 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:40,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 1 [2023-12-02 14:35:40,755 INFO L349 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-12-02 14:35:40,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 1 [2023-12-02 14:35:40,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 1 [2023-12-02 14:35:40,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:40,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 1 [2023-12-02 14:35:40,855 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:40,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 1 [2023-12-02 14:35:40,936 INFO L349 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2023-12-02 14:35:40,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 1 [2023-12-02 14:35:40,976 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:40,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:40,997 INFO L349 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2023-12-02 14:35:40,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 1 [2023-12-02 14:35:41,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:41,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 1 [2023-12-02 14:35:41,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 1 [2023-12-02 14:35:41,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:41,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 1 [2023-12-02 14:35:41,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:41,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 1 [2023-12-02 14:35:41,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:35:41,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4136 treesize of output 4012 [2023-12-02 14:35:41,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2076 treesize of output 2072 [2023-12-02 14:35:41,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2044 treesize of output 2040 [2023-12-02 14:35:41,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2012 treesize of output 2008 [2023-12-02 14:35:41,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1980 treesize of output 1976 [2023-12-02 14:35:41,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1948 treesize of output 1944 [2023-12-02 14:35:41,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1916 treesize of output 1912 [2023-12-02 14:35:41,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1884 treesize of output 1880 [2023-12-02 14:35:41,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1852 treesize of output 1848 [2023-12-02 14:35:41,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1820 treesize of output 1816 [2023-12-02 14:35:41,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1788 treesize of output 1784 [2023-12-02 14:35:41,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1778 treesize of output 1774 [2023-12-02 14:35:41,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1768 treesize of output 1764 [2023-12-02 14:35:41,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1758 treesize of output 1754 [2023-12-02 14:35:41,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1748 treesize of output 1744 [2023-12-02 14:35:41,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1738 treesize of output 1734 [2023-12-02 14:35:41,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1728 treesize of output 1724 [2023-12-02 14:35:41,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1718 treesize of output 1714 [2023-12-02 14:35:41,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1686 treesize of output 1682 [2023-12-02 14:35:41,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1676 treesize of output 1672 [2023-12-02 14:35:43,417 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:43,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 14:35:43,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 251 [2023-12-02 14:35:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:35:47,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:35:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780719336] [2023-12-02 14:35:47,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:35:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801877955] [2023-12-02 14:35:47,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801877955] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:35:47,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1734530560] [2023-12-02 14:35:47,613 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2023-12-02 14:35:47,613 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:35:47,613 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:35:47,614 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:35:47,614 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:35:47,970 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:35:53,234 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3127#(and (not (= (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_#t~mem17#1|)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) ~N~0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8))) |ULTIMATE.start_main_#t~mem17#1|) (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368))) |ULTIMATE.start_main_#t~mem17#1|) (<= 2147483648 (mod |ULTIMATE.start_main_~i~0#1| 4294967296)))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 14:35:53,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:35:53,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:35:53,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2023-12-02 14:35:53,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821894575] [2023-12-02 14:35:53,235 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:35:53,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-12-02 14:35:53,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:35:53,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-12-02 14:35:53,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=1635, Unknown=53, NotChecked=0, Total=1980 [2023-12-02 14:35:53,237 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 39 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 39 states have internal predecessors, (45), 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) [2023-12-02 14:36:08,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:36:21,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:36:23,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:36:34,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:36:42,679 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse56 (mod (+ c_~N~0 4294967295) 4294967296))) (let ((.cse67 (* 8 .cse56)) (.cse55 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse58 (* .cse55 8)) (.cse6 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse41 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse67)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse36 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse66 (mod .cse36 4294967296)) (.cse38 (< 2147483647 .cse56)) (.cse43 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (= (select (store (store (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse76 (store (select .cse77 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse76 .cse4 (select (select (store .cse77 |c_ULTIMATE.start_main_~c~0#1.base| .cse76) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_DerPreprocessor_87) .cse41 v_DerPreprocessor_83) .cse4) 1))) (.cse35 (< .cse56 2147483648)) (.cse8 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse1 (< 2147483647 .cse55)) (.cse10 (+ .cse58 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (+ .cse58 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368) .cse67)) (.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse12 (+ (- 34359738368) .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse0 (< c_~N~0 2)) (.cse25 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse74 (store (select .cse75 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse74 .cse4 (select (select (store .cse75 |c_ULTIMATE.start_main_~c~0#1.base| .cse74) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1) (not (= (store .cse9 .cse12 (select v_prenex_150 .cse12)) v_prenex_150))))) (.cse24 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (not (= (store (store .cse9 .cse18 (select v_prenex_150 .cse18)) .cse12 (select v_prenex_150 .cse12)) v_prenex_150)) (= (select (store (store (let ((.cse73 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse72 (store (select .cse73 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse72 .cse4 (select (select (store .cse73 |c_ULTIMATE.start_main_~c~0#1.base| .cse72) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1)))) (.cse29 (or .cse1 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse71 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse70 (store (select .cse71 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse70 .cse4 (select (select (store .cse71 |c_ULTIMATE.start_main_~c~0#1.base| .cse70) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1) (not (= (store (store .cse9 .cse10 (select v_prenex_150 .cse10)) .cse12 (select v_prenex_150 .cse12)) v_prenex_150)))))) (.cse2 (not .cse8)) (.cse37 (and (or .cse38 .cse43) (or .cse35 (forall ((v_prenex_149 Int) (v_prenex_148 (Array Int Int)) (v_DerPreprocessor_84 Int)) (= (select (store (store (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_148))) (let ((.cse68 (store (select .cse69 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse68 .cse4 (select (select (store .cse69 |c_ULTIMATE.start_main_~c~0#1.base| .cse68) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_149) .cse7 v_DerPreprocessor_84) .cse4) 1))))) (.cse22 (< .cse55 2147483648)) (.cse42 (+ .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse23 (< 2147483647 .cse66)) (.cse57 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse54 (* .cse66 8)) (.cse34 (< .cse66 2147483648)) (.cse59 (* |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1|)) (.cse64 (= (select .cse9 0) 1))) (and (or .cse0 (let ((.cse15 (= .cse55 .cse56))) (let ((.cse11 (+ .cse54 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (not .cse15)) (.cse26 (+ .cse54 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (and (or (and (or .cse1 (and (or .cse2 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (= (select (store (store (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse3 (store (select .cse5 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse3 .cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~c~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1))) (or .cse8 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (not (= (store (store (store .cse9 .cse10 (select v_prenex_150 .cse10)) .cse11 (select v_prenex_150 .cse11)) .cse12 (select v_prenex_150 .cse12)) v_prenex_150)) (= (select (store (store (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse13 (store (select .cse14 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse13 .cse4 (select (select (store .cse14 |c_ULTIMATE.start_main_~c~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1)))))) (or (and (or .cse15 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse16 (store (select .cse17 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse16 .cse4 (select (select (store .cse17 |c_ULTIMATE.start_main_~c~0#1.base| .cse16) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1) (not (= (store (store (store .cse9 .cse18 (select v_prenex_150 .cse18)) .cse11 (select v_prenex_150 .cse11)) .cse12 (select v_prenex_150 .cse12)) v_prenex_150))))) (or .cse19 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse20 (store (select .cse21 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse20 .cse4 (select (select (store .cse21 |c_ULTIMATE.start_main_~c~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1) (not (= v_prenex_150 (store (store .cse9 .cse11 (select v_prenex_150 .cse11)) .cse12 (select v_prenex_150 .cse12)))))))) .cse22)) .cse23) (or (and (or .cse22 (and (or .cse15 .cse24) (or .cse19 .cse25))) (or .cse1 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (not (= (store (store (store .cse9 .cse10 (select v_prenex_150 .cse10)) .cse26 (select v_prenex_150 .cse26)) .cse12 (select v_prenex_150 .cse12)) v_prenex_150)) (= (select (store (store (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse27 (store (select .cse28 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse27 .cse4 (select (select (store .cse28 |c_ULTIMATE.start_main_~c~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1)))) .cse29 (or (and (or .cse15 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse30 (store (select .cse31 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse30 .cse4 (select (select (store .cse31 |c_ULTIMATE.start_main_~c~0#1.base| .cse30) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1) (not (= (store (store (store .cse9 .cse18 (select v_prenex_150 .cse18)) .cse26 (select v_prenex_150 .cse26)) .cse12 (select v_prenex_150 .cse12)) v_prenex_150))))) (or (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse32 (store (select .cse33 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse32 .cse4 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_prenex_151) .cse7 v_DerPreprocessor_84) .cse4) 1) (not (= (store (store .cse9 .cse26 (select v_prenex_150 .cse26)) .cse12 (select v_prenex_150 .cse12)) v_prenex_150)))) .cse19)) .cse22)) .cse34)) .cse35) (or (not (= .cse36 0)) .cse37) (or .cse38 (and (or .cse23 (and (or (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (= (select (store (store (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse39 (store (select .cse40 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse39 .cse4 (select (select (store .cse40 |c_ULTIMATE.start_main_~c~0#1.base| .cse39) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_DerPreprocessor_87) .cse41 v_DerPreprocessor_83) .cse4) 1) (not (= v_ArrVal_937 (store (store (store .cse9 .cse18 (select v_ArrVal_937 .cse18)) .cse11 (select v_ArrVal_937 .cse11)) .cse42 (select v_ArrVal_937 .cse42)))))) .cse22) (or .cse1 (and (or .cse43 .cse2) (or .cse8 (and (or .cse19 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store .cse9 .cse11 (select v_ArrVal_937 .cse11)) .cse42 (select v_ArrVal_937 .cse42)))) (= (select (store (store (let ((.cse45 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse44 (store (select .cse45 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse44 .cse4 (select (select (store .cse45 |c_ULTIMATE.start_main_~c~0#1.base| .cse44) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_DerPreprocessor_87) .cse41 v_DerPreprocessor_83) .cse4) 1)))) (or .cse15 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store (store .cse9 .cse10 (select v_ArrVal_937 .cse10)) .cse11 (select v_ArrVal_937 .cse11)) .cse42 (select v_ArrVal_937 .cse42)))) (= (select (store (store (let ((.cse47 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse46 (store (select .cse47 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse46 .cse4 (select (select (store .cse47 |c_ULTIMATE.start_main_~c~0#1.base| .cse46) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_DerPreprocessor_87) .cse41 v_DerPreprocessor_83) .cse4) 1)))))))))) (or .cse34 (and (or .cse1 (and (or .cse15 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (= (select (store (store (let ((.cse49 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse48 (store (select .cse49 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse48 .cse4 (select (select (store .cse49 |c_ULTIMATE.start_main_~c~0#1.base| .cse48) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_DerPreprocessor_87) .cse41 v_DerPreprocessor_83) .cse4) 1) (not (= v_ArrVal_937 (store (store (store .cse9 .cse10 (select v_ArrVal_937 .cse10)) .cse26 (select v_ArrVal_937 .cse26)) .cse42 (select v_ArrVal_937 .cse42))))))) (or .cse19 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= (store (store .cse9 .cse26 (select v_ArrVal_937 .cse26)) .cse42 (select v_ArrVal_937 .cse42)) v_ArrVal_937)) (= (select (store (store (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse50 (store (select .cse51 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse50 .cse4 (select (select (store .cse51 |c_ULTIMATE.start_main_~c~0#1.base| .cse50) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_DerPreprocessor_87) .cse41 v_DerPreprocessor_83) .cse4) 1)))))) (or (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store (store .cse9 .cse18 (select v_ArrVal_937 .cse18)) .cse26 (select v_ArrVal_937 .cse26)) .cse42 (select v_ArrVal_937 .cse42)))) (= (select (store (store (let ((.cse53 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse52 (store (select .cse53 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse52 .cse4 (select (select (store .cse53 |c_ULTIMATE.start_main_~c~0#1.base| .cse52) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_DerPreprocessor_87) .cse41 v_DerPreprocessor_83) .cse4) 1))) .cse22))))))))) (or (< c_~N~0 .cse36) (and (or (= (select .cse57 (+ .cse58 |c_ULTIMATE.start_main_~c~0#1.offset|)) .cse59) .cse1) (or (= (select .cse57 (+ .cse58 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) .cse59) .cse22))) (or .cse0 (and (or (and (or (and .cse25 .cse24) .cse22) .cse29) .cse35) (or .cse2 .cse37) (or .cse38 (and (or (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store .cse9 .cse18 (select v_ArrVal_937 .cse18)) .cse42 (select v_ArrVal_937 .cse42)))) (= (select (store (store (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse60 (store (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse60 .cse4 (select (select (store .cse61 |c_ULTIMATE.start_main_~c~0#1.base| .cse60) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_DerPreprocessor_87) .cse41 v_DerPreprocessor_83) .cse4) 1))) .cse22) (or .cse1 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store .cse9 .cse10 (select v_ArrVal_937 .cse10)) .cse42 (select v_ArrVal_937 .cse42)))) (= (select (store (store (let ((.cse63 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse62 (store (select .cse63 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse62 .cse4 (select (select (store .cse63 |c_ULTIMATE.start_main_~c~0#1.base| .cse62) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse6 v_DerPreprocessor_87) .cse41 v_DerPreprocessor_83) .cse4) 1)))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= c_~N~0 4) (<= |c_ULTIMATE.start_main_~i~0#1| 4) .cse64 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (or (let ((.cse65 (+ (* 3 (* |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1|)) (* 3 |c_ULTIMATE.start_main_~i~0#1|) .cse59 1))) (and (or .cse23 (= (select .cse57 (+ .cse54 |c_ULTIMATE.start_main_~c~0#1.offset|)) .cse65)) (or (= (select .cse57 (+ .cse54 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) .cse65) .cse34))) (< c_~N~0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (or (= (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 0) .cse64))))))) is different from false [2023-12-02 14:37:25,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:37:30,119 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse34 (mod (+ c_~N~0 4294967295) 4294967296))) (let ((.cse35 (* 8 .cse34))) (let ((.cse17 (< 2147483647 .cse34)) (.cse20 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse35)) (.cse23 (+ .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse4 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse5 (+ |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368) .cse35)) (.cse2 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse7 (+ (- 34359738368) .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse16 (< .cse34 2147483648)) (.cse0 (< c_~N~0 2)) (.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and (or .cse0 (let ((.cse29 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse28 (* .cse29 8))) (let ((.cse8 (+ .cse28 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (< .cse29 2147483648)) (.cse12 (< 2147483647 .cse29)) (.cse15 (+ .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (and (or (and (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse1 (store (select .cse3 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse1 .cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~c~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse4 v_prenex_151) .cse5 v_DerPreprocessor_84) .cse2) 1) (not (= (store .cse6 .cse7 (select v_prenex_150 .cse7)) v_prenex_150)))) (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (not (= (store (store .cse6 .cse8 (select v_prenex_150 .cse8)) .cse7 (select v_prenex_150 .cse7)) v_prenex_150)) (= (select (store (store (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse9 (store (select .cse10 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse9 .cse2 (select (select (store .cse10 |c_ULTIMATE.start_main_~c~0#1.base| .cse9) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse4 v_prenex_151) .cse5 v_DerPreprocessor_84) .cse2) 1)))) .cse11) (or .cse12 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse13 (store (select .cse14 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse13 .cse2 (select (select (store .cse14 |c_ULTIMATE.start_main_~c~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse4 v_prenex_151) .cse5 v_DerPreprocessor_84) .cse2) 1) (not (= (store (store .cse6 .cse15 (select v_prenex_150 .cse15)) .cse7 (select v_prenex_150 .cse7)) v_prenex_150)))))) .cse16) (or (not (= |c_ULTIMATE.start_main_~i~0#1| 0)) (and (or .cse17 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (= (select (store (store (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse18 (store (select .cse19 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse18 .cse2 (select (select (store .cse19 |c_ULTIMATE.start_main_~c~0#1.base| .cse18) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse4 v_DerPreprocessor_87) .cse20 v_DerPreprocessor_83) .cse2) 1))) (or .cse16 (forall ((v_prenex_149 Int) (v_prenex_148 (Array Int Int)) (v_DerPreprocessor_84 Int)) (= (select (store (store (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_148))) (let ((.cse21 (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse21 .cse2 (select (select (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| .cse21) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse4 v_prenex_149) .cse5 v_DerPreprocessor_84) .cse2) 1))))) (or .cse17 (and (or (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store .cse6 .cse8 (select v_ArrVal_937 .cse8)) .cse23 (select v_ArrVal_937 .cse23)))) (= (select (store (store (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse24 (store (select .cse25 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse24 .cse2 (select (select (store .cse25 |c_ULTIMATE.start_main_~c~0#1.base| .cse24) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse4 v_DerPreprocessor_87) .cse20 v_DerPreprocessor_83) .cse2) 1))) .cse11) (or .cse12 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store .cse6 .cse15 (select v_ArrVal_937 .cse15)) .cse23 (select v_ArrVal_937 .cse23)))) (= (select (store (store (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse26 (store (select .cse27 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse26 .cse2 (select (select (store .cse27 |c_ULTIMATE.start_main_~c~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse4 v_DerPreprocessor_87) .cse20 v_DerPreprocessor_83) .cse2) 1))))))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= c_~N~0 4) (or (and (or .cse17 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (= (select (store (store (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse30 (store (select .cse31 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse30 .cse2 (select (select (store .cse31 |c_ULTIMATE.start_main_~c~0#1.base| .cse30) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse4 v_DerPreprocessor_87) .cse20 v_DerPreprocessor_83) .cse2) 1) (not (= v_ArrVal_937 (store .cse6 .cse23 (select v_ArrVal_937 .cse23))))))) (or (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_87 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse32 (store (select .cse33 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse32 .cse2 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse4 v_DerPreprocessor_87) .cse5 v_DerPreprocessor_84) .cse2) 1) (not (= v_ArrVal_937 (store .cse6 .cse7 (select v_ArrVal_937 .cse7)))))) .cse16)) .cse0) (<= |c_ULTIMATE.start_main_~i~0#1| 4) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (or (= (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 0) (= (select .cse6 0) 1)))))) is different from false [2023-12-02 14:37:35,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:37:45,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:37:48,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:38:16,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:38:33,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:38:37,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:38:40,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:38:42,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:38:45,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:38:47,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:38:53,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:39:06,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:39:08,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:39:22,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:39:25,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:39:36,193 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse59 (mod (+ c_~N~0 4294967295) 4294967296))) (let ((.cse60 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse83 (* 8 .cse59)) (.cse58 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse92 (* .cse58 8)) (.cse14 (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse3 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse83)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse82 (mod .cse60 4294967296))) (let ((.cse57 (* .cse82 8)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|)) (.cse62 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse0 (< 2147483647 .cse59)) (.cse46 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (= (select (store (store (let ((.cse94 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse93 (store (select .cse94 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse93 .cse4 (select (select (store .cse94 |c_ULTIMATE.start_main_~c~0#1.base| .cse93) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1))) (.cse5 (< .cse59 2147483648)) (.cse15 (= |c_ULTIMATE.start_main_~i~0#1| 0)) (.cse8 (< 2147483647 .cse58)) (.cse17 (+ .cse92 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse25 (+ .cse92 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368) .cse83)) (.cse16 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse19 (+ (- 34359738368) .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse41 (not (= .cse60 0))) (.cse2 (+ .cse92 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse10 (+ .cse92 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse11 (< c_~N~0 2)) (.cse31 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse91 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse90 (store (select .cse91 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse90 .cse4 (select (select (store .cse91 |c_ULTIMATE.start_main_~c~0#1.base| .cse90) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1) (not (= (store .cse16 .cse19 (select v_prenex_150 .cse19)) v_prenex_150))))) (.cse30 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (not (= (store (store .cse16 .cse25 (select v_prenex_150 .cse25)) .cse19 (select v_prenex_150 .cse19)) v_prenex_150)) (= (select (store (store (let ((.cse89 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse88 (store (select .cse89 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse88 .cse4 (select (select (store .cse89 |c_ULTIMATE.start_main_~c~0#1.base| .cse88) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1)))) (.cse35 (or .cse8 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse87 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse86 (store (select .cse87 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse86 .cse4 (select (select (store .cse87 |c_ULTIMATE.start_main_~c~0#1.base| .cse86) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1) (not (= (store (store .cse16 .cse17 (select v_prenex_150 .cse17)) .cse19 (select v_prenex_150 .cse19)) v_prenex_150)))))) (.cse9 (not .cse15)) (.cse42 (and (or .cse0 .cse46) (or .cse5 (forall ((v_prenex_149 Int) (v_prenex_148 (Array Int Int)) (v_DerPreprocessor_84 Int)) (= (select (store (store (let ((.cse85 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_148))) (let ((.cse84 (store (select .cse85 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse84 .cse4 (select (select (store .cse85 |c_ULTIMATE.start_main_~c~0#1.base| .cse84) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_149) .cse6 v_DerPreprocessor_84) .cse4) 1))))) (.cse7 (< .cse58 2147483648)) (.cse45 (+ .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse68 (* 8 .cse62)) (.cse76 (= (select .cse1 0) 0)) (.cse77 (= (select .cse1 8) 1)) (.cse29 (< 2147483647 .cse82)) (.cse64 (+ .cse57 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse65 (+ .cse57 |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368))) (.cse40 (< .cse82 2147483648)) (.cse61 (* |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1|)) (.cse80 (= (select .cse16 0) 1))) (and (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1)) (or (and (or (and (or .cse0 (forall ((v_DerPreprocessor_90 Int) (v_DerPreprocessor_83 Int)) (= (select (store (store .cse1 .cse2 v_DerPreprocessor_90) .cse3 v_DerPreprocessor_83) .cse4) 1))) (or .cse5 (forall ((v_DerPreprocessor_90 Int) (v_DerPreprocessor_84 Int)) (= (select (store (store .cse1 .cse2 v_DerPreprocessor_90) .cse6 v_DerPreprocessor_84) .cse4) 1)))) .cse7) (or .cse8 (and .cse9 (or .cse0 (forall ((v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (= (select (store (store .cse1 .cse10 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1))) (or (forall ((v_DerPreprocessor_87 Int) (v_DerPreprocessor_84 Int)) (= (select (store (store .cse1 .cse10 v_DerPreprocessor_87) .cse6 v_DerPreprocessor_84) .cse4) 1)) .cse5)))) .cse11) (or .cse11 (let ((.cse22 (= .cse58 .cse59))) (let ((.cse18 (+ .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (not .cse22)) (.cse32 (+ .cse57 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (and (or (and (or .cse8 (and (or .cse9 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (= (select (store (store (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse12 (store (select .cse13 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse12 .cse4 (select (select (store .cse13 |c_ULTIMATE.start_main_~c~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1))) (or .cse15 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (not (= (store (store (store .cse16 .cse17 (select v_prenex_150 .cse17)) .cse18 (select v_prenex_150 .cse18)) .cse19 (select v_prenex_150 .cse19)) v_prenex_150)) (= (select (store (store (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse20 (store (select .cse21 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse20 .cse4 (select (select (store .cse21 |c_ULTIMATE.start_main_~c~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1)))))) (or (and (or .cse22 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse24 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse23 (store (select .cse24 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse23 .cse4 (select (select (store .cse24 |c_ULTIMATE.start_main_~c~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1) (not (= (store (store (store .cse16 .cse25 (select v_prenex_150 .cse25)) .cse18 (select v_prenex_150 .cse18)) .cse19 (select v_prenex_150 .cse19)) v_prenex_150))))) (or .cse26 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse27 (store (select .cse28 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse27 .cse4 (select (select (store .cse28 |c_ULTIMATE.start_main_~c~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1) (not (= v_prenex_150 (store (store .cse16 .cse18 (select v_prenex_150 .cse18)) .cse19 (select v_prenex_150 .cse19)))))))) .cse7)) .cse29) (or (and (or .cse7 (and (or .cse22 .cse30) (or .cse26 .cse31))) (or .cse8 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (not (= (store (store (store .cse16 .cse17 (select v_prenex_150 .cse17)) .cse32 (select v_prenex_150 .cse32)) .cse19 (select v_prenex_150 .cse19)) v_prenex_150)) (= (select (store (store (let ((.cse34 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse33 (store (select .cse34 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse33 .cse4 (select (select (store .cse34 |c_ULTIMATE.start_main_~c~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1)))) .cse35 (or (and (or .cse22 (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse37 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse36 (store (select .cse37 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse36 .cse4 (select (select (store .cse37 |c_ULTIMATE.start_main_~c~0#1.base| .cse36) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1) (not (= (store (store (store .cse16 .cse25 (select v_prenex_150 .cse25)) .cse32 (select v_prenex_150 .cse32)) .cse19 (select v_prenex_150 .cse19)) v_prenex_150))))) (or (forall ((v_prenex_150 (Array Int Int)) (v_prenex_151 Int) (v_DerPreprocessor_84 Int)) (or (= (select (store (store (let ((.cse39 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_150))) (let ((.cse38 (store (select .cse39 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse38 .cse4 (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| .cse38) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_prenex_151) .cse6 v_DerPreprocessor_84) .cse4) 1) (not (= (store (store .cse16 .cse32 (select v_prenex_150 .cse32)) .cse19 (select v_prenex_150 .cse19)) v_prenex_150)))) .cse26)) .cse7)) .cse40)) .cse5) (or .cse41 .cse42) (or .cse0 (and (or .cse29 (and (or (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (= (select (store (store (let ((.cse44 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse43 (store (select .cse44 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse43 .cse4 (select (select (store .cse44 |c_ULTIMATE.start_main_~c~0#1.base| .cse43) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1) (not (= v_ArrVal_937 (store (store (store .cse16 .cse25 (select v_ArrVal_937 .cse25)) .cse18 (select v_ArrVal_937 .cse18)) .cse45 (select v_ArrVal_937 .cse45)))))) .cse7) (or .cse8 (and (or .cse46 .cse9) (or .cse15 (and (or .cse26 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store .cse16 .cse18 (select v_ArrVal_937 .cse18)) .cse45 (select v_ArrVal_937 .cse45)))) (= (select (store (store (let ((.cse48 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse47 (store (select .cse48 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse47 .cse4 (select (select (store .cse48 |c_ULTIMATE.start_main_~c~0#1.base| .cse47) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1)))) (or .cse22 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store (store .cse16 .cse17 (select v_ArrVal_937 .cse17)) .cse18 (select v_ArrVal_937 .cse18)) .cse45 (select v_ArrVal_937 .cse45)))) (= (select (store (store (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse49 (store (select .cse50 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse49 .cse4 (select (select (store .cse50 |c_ULTIMATE.start_main_~c~0#1.base| .cse49) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1)))))))))) (or .cse40 (and (or .cse8 (and (or .cse22 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (= (select (store (store (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse51 (store (select .cse52 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse51 .cse4 (select (select (store .cse52 |c_ULTIMATE.start_main_~c~0#1.base| .cse51) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1) (not (= v_ArrVal_937 (store (store (store .cse16 .cse17 (select v_ArrVal_937 .cse17)) .cse32 (select v_ArrVal_937 .cse32)) .cse45 (select v_ArrVal_937 .cse45))))))) (or .cse26 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= (store (store .cse16 .cse32 (select v_ArrVal_937 .cse32)) .cse45 (select v_ArrVal_937 .cse45)) v_ArrVal_937)) (= (select (store (store (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse53 (store (select .cse54 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse53 .cse4 (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| .cse53) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1)))))) (or (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store (store .cse16 .cse25 (select v_ArrVal_937 .cse25)) .cse32 (select v_ArrVal_937 .cse32)) .cse45 (select v_ArrVal_937 .cse45)))) (= (select (store (store (let ((.cse56 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse55 (store (select .cse56 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse55 .cse4 (select (select (store .cse56 |c_ULTIMATE.start_main_~c~0#1.base| .cse55) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1))) .cse7))))))))) (or (< c_~N~0 .cse60) (and (or (= (select .cse1 .cse10) .cse61) .cse8) (or (= (select .cse1 .cse2) .cse61) .cse7))) (or (and (or (< 2147483647 .cse62) (let ((.cse66 (+ (select .cse1 (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse68)) (select .cse16 (+ .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse8 (let ((.cse63 (store .cse1 .cse10 .cse66))) (and (or .cse29 (and (or (forall ((v_DerPreprocessor_87 Int) (v_DerPreprocessor_84 Int)) (= 1 (select (store (store .cse63 .cse64 v_DerPreprocessor_87) .cse6 v_DerPreprocessor_84) .cse4))) .cse5) (or .cse0 (forall ((v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (= (select (store (store .cse63 .cse64 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1))))) (or (and (or .cse0 (forall ((v_DerPreprocessor_90 Int) (v_DerPreprocessor_83 Int)) (= (select (store (store .cse63 .cse65 v_DerPreprocessor_90) .cse3 v_DerPreprocessor_83) .cse4) 1))) (or (forall ((v_DerPreprocessor_90 Int) (v_DerPreprocessor_84 Int)) (= (select (store (store .cse63 .cse65 v_DerPreprocessor_90) .cse6 v_DerPreprocessor_84) .cse4) 1)) .cse5)) .cse40)))) (or (let ((.cse67 (store .cse1 .cse2 .cse66))) (and (or (forall ((v_DerPreprocessor_90 Int) (v_DerPreprocessor_84 Int)) (= (select (store (store .cse67 .cse65 v_DerPreprocessor_90) .cse6 v_DerPreprocessor_84) .cse4) 1)) .cse5) (or .cse0 (forall ((v_DerPreprocessor_90 Int) (v_DerPreprocessor_83 Int)) (= (select (store (store .cse67 .cse65 v_DerPreprocessor_90) .cse3 v_DerPreprocessor_83) .cse4) 1))))) .cse7)))) (or (< .cse62 2147483648) (let ((.cse70 (+ (select .cse1 (+ |c_ULTIMATE.start_main_~c~0#1.offset| (- 34359738368) .cse68)) (select .cse16 (+ (- 34359738368) .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse69 (store .cse1 .cse2 .cse70))) (and (or (and (or .cse0 (forall ((v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (= (select (store (store .cse69 .cse64 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1))) .cse41 (or .cse5 (forall ((v_DerPreprocessor_87 Int) (v_DerPreprocessor_84 Int)) (= (select (store (store .cse69 .cse64 v_DerPreprocessor_87) .cse6 v_DerPreprocessor_84) .cse4) 1)))) .cse29) (or (and (or (forall ((v_DerPreprocessor_90 Int) (v_DerPreprocessor_84 Int)) (= (select (store (store .cse69 .cse65 v_DerPreprocessor_90) .cse6 v_DerPreprocessor_84) .cse4) 1)) .cse5) (or .cse0 (forall ((v_DerPreprocessor_90 Int) (v_DerPreprocessor_83 Int)) (= (select (store (store .cse69 .cse65 v_DerPreprocessor_90) .cse3 v_DerPreprocessor_83) .cse4) 1)))) .cse40))) .cse7) (or .cse8 (let ((.cse71 (store .cse1 .cse10 .cse70))) (and (or (forall ((v_DerPreprocessor_87 Int) (v_DerPreprocessor_84 Int)) (= (select (store (store .cse71 .cse64 v_DerPreprocessor_87) .cse6 v_DerPreprocessor_84) .cse4) 1)) .cse5) (or .cse0 (forall ((v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (= (select (store (store .cse71 .cse64 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1))) .cse9))))))) .cse11) (or .cse11 (and (or (and (or (and .cse31 .cse30) .cse7) .cse35) .cse5) (or .cse9 .cse42) (or .cse0 (and (or (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store .cse16 .cse25 (select v_ArrVal_937 .cse25)) .cse45 (select v_ArrVal_937 .cse45)))) (= (select (store (store (let ((.cse73 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse72 (store (select .cse73 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse72 .cse4 (select (select (store .cse73 |c_ULTIMATE.start_main_~c~0#1.base| .cse72) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1))) .cse7) (or .cse8 (forall ((v_ArrVal_937 (Array Int Int)) (v_DerPreprocessor_83 Int) (v_DerPreprocessor_87 Int)) (or (not (= v_ArrVal_937 (store (store .cse16 .cse17 (select v_ArrVal_937 .cse17)) .cse45 (select v_ArrVal_937 .cse45)))) (= (select (store (store (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_937))) (let ((.cse74 (store (select .cse75 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse74 .cse4 (select (select (store .cse75 |c_ULTIMATE.start_main_~c~0#1.base| .cse74) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) .cse14 v_DerPreprocessor_87) .cse3 v_DerPreprocessor_83) .cse4) 1)))))))) (let ((.cse79 (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (and (= (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) 0) 1) (not (= |ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)))))) (or (and (or (and .cse76 .cse77 (<= 2147483648 .cse62)) (exists ((v_DerPreprocessor_80 Int)) (let ((.cse78 (store (store .cse1 .cse68 v_DerPreprocessor_80) (+ (- 34359738368) .cse68) (select .cse1 .cse68)))) (and (= (select .cse78 0) 0) (= (select .cse78 8) 1))))) .cse79) (and .cse79 (= |c_ULTIMATE.start_main_~i~0#1| 1)))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= c_~N~0 4) (<= |c_ULTIMATE.start_main_~i~0#1| 4) .cse76 .cse77 .cse80 (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (or (let ((.cse81 (+ (* 3 (* |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1|)) (* 3 |c_ULTIMATE.start_main_~i~0#1|) .cse61 1))) (and (or .cse29 (= (select .cse1 .cse64) .cse81)) (or (= (select .cse1 .cse65) .cse81) .cse40))) (< c_~N~0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (or (= .cse62 0) .cse80))))))) is different from false [2023-12-02 14:39:51,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 14:42:04,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:42:04,497 INFO L93 Difference]: Finished difference Result 247 states and 286 transitions. [2023-12-02 14:42:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-12-02 14:42:04,498 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 39 states have internal predecessors, (45), 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 23 [2023-12-02 14:42:04,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:42:04,500 INFO L225 Difference]: With dead ends: 247 [2023-12-02 14:42:04,500 INFO L226 Difference]: Without dead ends: 245 [2023-12-02 14:42:04,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 156 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 8358 ImplicationChecksByTransitivity, 315.1s TimeCoverageRelationStatistics Valid=3564, Invalid=19678, Unknown=640, NotChecked=924, Total=24806 [2023-12-02 14:42:04,507 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 419 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 287 mSolverCounterUnsat, 189 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 189 IncrementalHoareTripleChecker+Unknown, 212 IncrementalHoareTripleChecker+Unchecked, 74.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:42:04,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 233 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 931 Invalid, 189 Unknown, 212 Unchecked, 74.7s Time] [2023-12-02 14:42:04,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-12-02 14:42:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 89. [2023-12-02 14:42:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 88 states have internal predecessors, (114), 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) [2023-12-02 14:42:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2023-12-02 14:42:04,565 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 23 [2023-12-02 14:42:04,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:42:04,565 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2023-12-02 14:42:04,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 39 states have internal predecessors, (45), 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) [2023-12-02 14:42:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2023-12-02 14:42:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 14:42:04,566 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:42:04,566 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:42:04,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 14:42:04,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-02 14:42:04,767 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:42:04,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:42:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash 21405470, now seen corresponding path program 6 times [2023-12-02 14:42:04,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:42:04,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408699361] [2023-12-02 14:42:04,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:42:04,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:42:04,788 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:42:04,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934876707] [2023-12-02 14:42:04,788 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 14:42:04,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:42:04,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:42:04,790 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:42:04,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8f3a07-2eff-4682-976f-04ec828d8059/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 14:42:05,622 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 14:42:05,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:42:05,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 72 conjunts are in the unsatisfiable core [2023-12-02 14:42:05,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:42:05,656 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 14:42:05,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-12-02 14:42:05,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 14:42:05,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-02 14:42:06,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-12-02 14:42:06,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2023-12-02 14:42:06,744 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-12-02 14:42:06,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 48 [2023-12-02 14:42:07,003 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-12-02 14:42:07,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 51 [2023-12-02 14:42:07,461 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-12-02 14:42:07,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 58 [2023-12-02 14:42:07,781 INFO L349 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2023-12-02 14:42:07,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 54 treesize of output 68 [2023-12-02 14:42:08,074 INFO L349 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2023-12-02 14:42:08,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 61 treesize of output 78 [2023-12-02 14:42:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:42:09,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:42:10,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-02 14:42:12,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-02 14:42:16,376 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (= |c_ULTIMATE.start_main_~i~0#1| 0))) (and (or (let ((.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse2 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (and (not (= .cse0 0)) (forall ((v_DerPreprocessor_137 (Array Int Int))) (= (select (let ((.cse6 (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8))) (let ((.cse4 (* (mod .cse0 4294967296) 8)) (.cse3 (select v_DerPreprocessor_137 (+ .cse6 |c_ULTIMATE.start_main_~c~0#1.offset|))) (.cse5 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_137) |c_ULTIMATE.start_main_~b~0#1.base|) (+ .cse6 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse1 (store v_DerPreprocessor_137 (+ .cse4 |c_ULTIMATE.start_main_~c~0#1.offset|) (+ .cse3 .cse5)))) (store .cse1 (+ (* 8 (mod .cse2 4294967296)) |c_ULTIMATE.start_main_~c~0#1.offset|) (+ .cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) (+ .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|)) .cse5))))) (+ 16 |c_ULTIMATE.start_main_~c~0#1.offset|)) 8)) (not (= .cse2 0)))) .cse7) (or (not .cse7) (= (let ((.cse9 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse8 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse9) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse8 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| (store .cse9 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|) .cse8)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))))) 8)))) is different from false [2023-12-02 14:42:19,477 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse8 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse2 (* .cse8 8)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (not (= (let ((.cse1 (+ .cse2 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse0 .cse1 (select v_DerPreprocessor_139 .cse1))) v_DerPreprocessor_139)) (= (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse5 (store (select .cse4 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~c~0#1.base| .cse5) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse5 .cse6 .cse3)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8))) (< .cse8 2147483648)) (or (< 2147483647 .cse8) (let ((.cse13 (= |c_ULTIMATE.start_main_~i~0#1| 0))) (and (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (not (= v_DerPreprocessor_141 (let ((.cse9 (+ .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse0 .cse9 (select v_DerPreprocessor_141 .cse9))))) (= (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse12 (store (select .cse11 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse12 .cse6 .cse10)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8))) .cse13) (or (forall ((v_DerPreprocessor_140 (Array Int Int))) (= (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_140))) (let ((.cse16 (store (select .cse15 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| .cse16) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse16 .cse6 .cse14)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8)) (not .cse13)))))))) is different from false [2023-12-02 14:42:20,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-12-02 14:42:22,914 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse13 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse47 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse46 (mod .cse13 4294967296))) (let ((.cse0 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse45 (* .cse46 8)) (.cse44 (* .cse47 8))) (let ((.cse20 (+ .cse44 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (< .cse47 2147483648)) (.cse30 (< 2147483647 .cse47)) (.cse1 (< 2147483647 .cse46)) (.cse12 (+ .cse45 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (< .cse46 2147483648)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse17 (+ .cse45 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse23 (+ .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse31 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse32 (* 8 .cse0))) (and (or (< .cse0 2147483648) (let ((.cse21 (+ (select .cse31 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse32)) (select .cse19 (+ (- 34359738368) .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse11 (store .cse19 .cse20 .cse21))) (and (or .cse1 (let ((.cse2 (= .cse13 0))) (and (or (not .cse2) (forall ((v_DerPreprocessor_140 (Array Int Int))) (= (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_140))) (let ((.cse5 (store (select .cse4 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~c~0#1.base| .cse5) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse5 .cse6 .cse3)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8))) (or .cse2 (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (= (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse10 (store (select .cse9 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse8 (select (select (store .cse9 |c_ULTIMATE.start_main_~c~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse8 (select (select (store .cse9 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse10 .cse6 .cse8)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8) (not (= v_DerPreprocessor_141 (store .cse11 .cse12 (select v_DerPreprocessor_141 .cse12)))))))))) (or (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (= (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse16 (store (select .cse15 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| .cse16) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse16 .cse6 .cse14)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8) (not (= v_DerPreprocessor_139 (store .cse11 .cse17 (select v_DerPreprocessor_139 .cse17)))))) .cse18))) .cse22) (or (and (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (not (= v_DerPreprocessor_141 (store (store .cse19 .cse23 .cse21) .cse12 (select v_DerPreprocessor_141 .cse12)))) (= (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse26 (store (select .cse25 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse24 (select (select (store .cse25 |c_ULTIMATE.start_main_~c~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse24 (select (select (store .cse25 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse26 .cse6 .cse24)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8))) (or (not (= |c_ULTIMATE.start_main_~i~0#1| 0)) (forall ((v_DerPreprocessor_141 (Array Int Int))) (= (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse29 (store (select .cse28 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse27 (select (select (store .cse28 |c_ULTIMATE.start_main_~c~0#1.base| .cse29) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse27 (select (select (store .cse28 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse29 .cse6 .cse27)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8)))) .cse30)))) (or (let ((.cse33 (+ (select .cse19 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse31 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32))))) (and (or (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (not (= v_DerPreprocessor_139 (store (store .cse19 .cse20 .cse33) .cse17 (select v_DerPreprocessor_139 .cse17)))) (= (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse36 (store (select .cse35 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse34 (select (select (store .cse35 |c_ULTIMATE.start_main_~c~0#1.base| .cse36) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse34 (select (select (store .cse35 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse36 .cse6 .cse34)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8))) .cse22) (or .cse30 (let ((.cse37 (store .cse19 .cse23 .cse33))) (and (or .cse1 (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (not (= v_DerPreprocessor_141 (store .cse37 .cse12 (select v_DerPreprocessor_141 .cse12)))) (= (let ((.cse39 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse40 (store (select .cse39 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse38 (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| .cse40) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse38 (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse40 .cse6 .cse38)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8)))) (or .cse18 (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (= (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse43 (store (select .cse42 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~c~0#1.base| .cse43) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse43 .cse6 .cse41)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7))))) 8) (not (= v_DerPreprocessor_139 (store .cse37 .cse17 (select v_DerPreprocessor_139 .cse17)))))))))))) (< 2147483647 .cse0))))))) is different from false [2023-12-02 14:42:26,902 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse76 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse77 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse72 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse71 (mod .cse77 4294967296)) (.cse70 (mod .cse76 4294967296))) (let ((.cse5 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1)) (.cse69 (* .cse70 8)) (.cse68 (* 8 .cse71)) (.cse67 (* .cse72 8)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse20 (= .cse77 0))) (let ((.cse9 (not (= .cse76 0))) (.cse24 (or (forall ((v_DerPreprocessor_140 (Array Int Int))) (= (let ((.cse74 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_140))) (let ((.cse75 (store (select .cse74 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse73 (select (select (store .cse74 |c_ULTIMATE.start_main_~c~0#1.base| .cse75) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse73 (select (select (store .cse74 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse75 .cse3 .cse73)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8)) (not .cse20))) (.cse30 (+ .cse67 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse29 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse31 (< .cse72 2147483648)) (.cse44 (< 2147483647 .cse72)) (.cse13 (< 2147483647 .cse70)) (.cse8 (+ .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse25 (< 2147483647 .cse71)) (.cse14 (< .cse71 2147483648)) (.cse6 (+ .cse69 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse27 (< .cse70 2147483648)) (.cse26 (+ .cse69 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (+ .cse68 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse46 (+ .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse45 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (let ((.cse7 (+ (select .cse28 .cse29) (select .cse5 .cse30)))) (and (or (and (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse2 (store (select .cse1 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse2 .cse3 .cse0)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= (store (store .cse5 .cse6 .cse7) .cse8 (select v_DerPreprocessor_141 .cse8)) v_DerPreprocessor_141)))) (or .cse9 (forall ((v_DerPreprocessor_141 (Array Int Int))) (= (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse12 (store (select .cse11 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse12 .cse3 .cse10)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8)))) .cse13) (or (let ((.cse18 (store .cse5 .cse26 .cse7))) (and (or .cse14 (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (= (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse17 (store (select .cse16 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse15 (select (select (store .cse16 |c_ULTIMATE.start_main_~c~0#1.base| .cse17) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse15 (select (select (store .cse16 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse17 .cse3 .cse15)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= (store .cse18 .cse19 (select v_DerPreprocessor_139 .cse19)) v_DerPreprocessor_139))))) (or (and (or .cse20 (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (= (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse23 (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse21 (select (select (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse21 (select (select (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse23 .cse3 .cse21)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= v_DerPreprocessor_141 (store .cse18 .cse8 (select v_DerPreprocessor_141 .cse8))))))) .cse24) .cse25))) .cse27))) .cse31) (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (and (or (and (or .cse13 (and (or (forall ((v_prenex_438 (Array Int Int))) (= (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_438))) (let ((.cse34 (store (select .cse33 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| .cse34) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse34 .cse3 .cse32)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8)) .cse9) (forall ((v_DerPreprocessor_143 (Array Int Int)) (v_prenex_441 (Array Int Int))) (or (not (= v_prenex_441 (store (store v_DerPreprocessor_143 .cse6 (+ (select v_DerPreprocessor_143 .cse30) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse29))) .cse8 (select v_prenex_441 .cse8)))) (= 8 (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_441))) (let ((.cse36 (store (select .cse35 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse37 (select (select (store .cse35 |c_ULTIMATE.start_main_~c~0#1.base| .cse36) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse35 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse36 .cse3 .cse37)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) .cse37))))))))) (or (and (or (and (or .cse20 (forall ((v_prenex_439 (Array Int Int)) (v_DerPreprocessor_143 (Array Int Int))) (or (not (= (store (store v_DerPreprocessor_143 .cse26 (+ (select v_DerPreprocessor_143 .cse30) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse29))) .cse8 (select v_prenex_439 .cse8)) v_prenex_439)) (= (let ((.cse39 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_439))) (let ((.cse40 (store (select .cse39 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse38 (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| .cse40) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse38 (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse40 .cse3 .cse38)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8)))) .cse24) .cse25) (or .cse14 (forall ((v_DerPreprocessor_143 (Array Int Int)) (v_prenex_440 (Array Int Int))) (or (= (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_440))) (let ((.cse43 (store (select .cse42 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~c~0#1.base| .cse43) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse43 .cse3 .cse41)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= v_prenex_440 (store (store v_DerPreprocessor_143 .cse26 (+ (select v_DerPreprocessor_143 .cse30) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse29))) .cse19 (select v_prenex_440 .cse19)))))))) .cse27)) .cse31) (or .cse44 (and (or .cse13 (and (or (forall ((v_prenex_437 (Array Int Int)) (v_DerPreprocessor_143 (Array Int Int))) (or (not (= (store (store v_DerPreprocessor_143 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse45) (select v_DerPreprocessor_143 .cse46))) .cse19 (select v_prenex_437 .cse19)) v_prenex_437)) (= (let ((.cse48 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_437))) (let ((.cse49 (store (select .cse48 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse47 (select (select (store .cse48 |c_ULTIMATE.start_main_~c~0#1.base| .cse49) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse47 (select (select (store .cse48 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse49 .cse3 .cse47)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8))) .cse14) (or (forall ((v_DerPreprocessor_143 (Array Int Int)) (v_DerPreprocessor_141 (Array Int Int))) (or (not (= v_DerPreprocessor_141 (store (store v_DerPreprocessor_143 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse45) (select v_DerPreprocessor_143 .cse46))) .cse8 (select v_DerPreprocessor_141 .cse8)))) (= (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse52 (store (select .cse51 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~c~0#1.base| .cse52) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse52 .cse3 .cse50)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8))) .cse25))) (or (forall ((v_DerPreprocessor_139 (Array Int Int)) (v_DerPreprocessor_143 (Array Int Int))) (or (not (= (store (store v_DerPreprocessor_143 .cse26 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse45) (select v_DerPreprocessor_143 .cse46))) .cse19 (select v_DerPreprocessor_139 .cse19)) v_DerPreprocessor_139)) (= (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse55 (store (select .cse54 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| .cse55) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse55 .cse3 .cse53)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8))) .cse27))))) (or .cse44 (let ((.cse63 (+ (select .cse5 .cse46) (select .cse28 .cse45)))) (and (or .cse13 (let ((.cse59 (store .cse5 .cse6 .cse63))) (and (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (= (let ((.cse57 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse58 (store (select .cse57 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse56 (select (select (store .cse57 |c_ULTIMATE.start_main_~c~0#1.base| .cse58) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse56 (select (select (store .cse57 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse58 .cse3 .cse56)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= (store .cse59 .cse8 (select v_DerPreprocessor_141 .cse8)) v_DerPreprocessor_141)))) .cse25) (or .cse14 (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (= (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse62 (store (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse60 (select (select (store .cse61 |c_ULTIMATE.start_main_~c~0#1.base| .cse62) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse60 (select (select (store .cse61 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse62 .cse3 .cse60)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= (store .cse59 .cse19 (select v_DerPreprocessor_139 .cse19)) v_DerPreprocessor_139)))))))) (or .cse27 (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (= (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse66 (store (select .cse65 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse64 (select (select (store .cse65 |c_ULTIMATE.start_main_~c~0#1.base| .cse66) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse64 (select (select (store .cse65 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse66 .cse3 .cse64)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= v_DerPreprocessor_139 (store (store .cse5 .cse26 .cse63) .cse19 (select v_DerPreprocessor_139 .cse19))))))))))))))) is different from false [2023-12-02 14:42:28,918 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse76 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse77 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse72 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse71 (mod .cse77 4294967296)) (.cse70 (mod .cse76 4294967296))) (let ((.cse5 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1)) (.cse69 (* .cse70 8)) (.cse68 (* 8 .cse71)) (.cse67 (* .cse72 8)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse20 (= .cse77 0))) (let ((.cse9 (not (= .cse76 0))) (.cse24 (or (forall ((v_DerPreprocessor_140 (Array Int Int))) (= (let ((.cse74 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_140))) (let ((.cse75 (store (select .cse74 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse73 (select (select (store .cse74 |c_ULTIMATE.start_main_~c~0#1.base| .cse75) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse73 (select (select (store .cse74 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse75 .cse3 .cse73)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8)) (not .cse20))) (.cse30 (+ .cse67 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse29 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse31 (< .cse72 2147483648)) (.cse44 (< 2147483647 .cse72)) (.cse13 (< 2147483647 .cse70)) (.cse8 (+ .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse25 (< 2147483647 .cse71)) (.cse14 (< .cse71 2147483648)) (.cse6 (+ .cse69 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse27 (< .cse70 2147483648)) (.cse26 (+ .cse69 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (+ .cse68 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse46 (+ .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse45 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or (let ((.cse7 (+ (select .cse28 .cse29) (select .cse5 .cse30)))) (and (or (and (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse2 (store (select .cse1 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse2 .cse3 .cse0)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= (store (store .cse5 .cse6 .cse7) .cse8 (select v_DerPreprocessor_141 .cse8)) v_DerPreprocessor_141)))) (or .cse9 (forall ((v_DerPreprocessor_141 (Array Int Int))) (= (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse12 (store (select .cse11 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse12 .cse3 .cse10)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8)))) .cse13) (or (let ((.cse18 (store .cse5 .cse26 .cse7))) (and (or .cse14 (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (= (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse17 (store (select .cse16 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse15 (select (select (store .cse16 |c_ULTIMATE.start_main_~c~0#1.base| .cse17) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse15 (select (select (store .cse16 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse17 .cse3 .cse15)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= (store .cse18 .cse19 (select v_DerPreprocessor_139 .cse19)) v_DerPreprocessor_139))))) (or (and (or .cse20 (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (= (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse23 (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse21 (select (select (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse21 (select (select (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse23 .cse3 .cse21)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= v_DerPreprocessor_141 (store .cse18 .cse8 (select v_DerPreprocessor_141 .cse8))))))) .cse24) .cse25))) .cse27))) .cse31) (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (and (or (and (or .cse13 (and (or (forall ((v_prenex_438 (Array Int Int))) (= (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_438))) (let ((.cse34 (store (select .cse33 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| .cse34) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse34 .cse3 .cse32)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8)) .cse9) (forall ((v_DerPreprocessor_143 (Array Int Int)) (v_prenex_441 (Array Int Int))) (or (not (= v_prenex_441 (store (store v_DerPreprocessor_143 .cse6 (+ (select v_DerPreprocessor_143 .cse30) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse29))) .cse8 (select v_prenex_441 .cse8)))) (= 8 (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_441))) (let ((.cse36 (store (select .cse35 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse37 (select (select (store .cse35 |c_ULTIMATE.start_main_~c~0#1.base| .cse36) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse35 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse36 .cse3 .cse37)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) .cse37))))))))) (or (and (or (and (or .cse20 (forall ((v_prenex_439 (Array Int Int)) (v_DerPreprocessor_143 (Array Int Int))) (or (not (= (store (store v_DerPreprocessor_143 .cse26 (+ (select v_DerPreprocessor_143 .cse30) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse29))) .cse8 (select v_prenex_439 .cse8)) v_prenex_439)) (= (let ((.cse39 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_439))) (let ((.cse40 (store (select .cse39 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse38 (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| .cse40) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse38 (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse40 .cse3 .cse38)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8)))) .cse24) .cse25) (or .cse14 (forall ((v_DerPreprocessor_143 (Array Int Int)) (v_prenex_440 (Array Int Int))) (or (= (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_440))) (let ((.cse43 (store (select .cse42 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~c~0#1.base| .cse43) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse43 .cse3 .cse41)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= v_prenex_440 (store (store v_DerPreprocessor_143 .cse26 (+ (select v_DerPreprocessor_143 .cse30) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse29))) .cse19 (select v_prenex_440 .cse19)))))))) .cse27)) .cse31) (or .cse44 (and (or .cse13 (and (or (forall ((v_prenex_437 (Array Int Int)) (v_DerPreprocessor_143 (Array Int Int))) (or (not (= (store (store v_DerPreprocessor_143 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse45) (select v_DerPreprocessor_143 .cse46))) .cse19 (select v_prenex_437 .cse19)) v_prenex_437)) (= (let ((.cse48 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_437))) (let ((.cse49 (store (select .cse48 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse47 (select (select (store .cse48 |c_ULTIMATE.start_main_~c~0#1.base| .cse49) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse47 (select (select (store .cse48 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse49 .cse3 .cse47)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8))) .cse14) (or (forall ((v_DerPreprocessor_143 (Array Int Int)) (v_DerPreprocessor_141 (Array Int Int))) (or (not (= v_DerPreprocessor_141 (store (store v_DerPreprocessor_143 .cse6 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse45) (select v_DerPreprocessor_143 .cse46))) .cse8 (select v_DerPreprocessor_141 .cse8)))) (= (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse52 (store (select .cse51 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~c~0#1.base| .cse52) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse52 .cse3 .cse50)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8))) .cse25))) (or (forall ((v_DerPreprocessor_139 (Array Int Int)) (v_DerPreprocessor_143 (Array Int Int))) (or (not (= (store (store v_DerPreprocessor_143 .cse26 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_143) |c_ULTIMATE.start_main_~a~0#1.base|) .cse45) (select v_DerPreprocessor_143 .cse46))) .cse19 (select v_DerPreprocessor_139 .cse19)) v_DerPreprocessor_139)) (= (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse55 (store (select .cse54 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| .cse55) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse55 .cse3 .cse53)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8))) .cse27))))) (or .cse44 (let ((.cse63 (+ (select .cse5 .cse46) (select .cse28 .cse45)))) (and (or .cse13 (let ((.cse59 (store .cse5 .cse6 .cse63))) (and (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (or (= (let ((.cse57 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse58 (store (select .cse57 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse56 (select (select (store .cse57 |c_ULTIMATE.start_main_~c~0#1.base| .cse58) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse56 (select (select (store .cse57 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse58 .cse3 .cse56)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= (store .cse59 .cse8 (select v_DerPreprocessor_141 .cse8)) v_DerPreprocessor_141)))) .cse25) (or .cse14 (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (= (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse62 (store (select .cse61 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse60 (select (select (store .cse61 |c_ULTIMATE.start_main_~c~0#1.base| .cse62) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse60 (select (select (store .cse61 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse62 .cse3 .cse60)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= (store .cse59 .cse19 (select v_DerPreprocessor_139 .cse19)) v_DerPreprocessor_139)))))))) (or .cse27 (forall ((v_DerPreprocessor_139 (Array Int Int))) (or (= (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_139))) (let ((.cse66 (store (select .cse65 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse64 (select (select (store .cse65 |c_ULTIMATE.start_main_~c~0#1.base| .cse66) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse64 (select (select (store .cse65 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse66 .cse3 .cse64)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8) (not (= v_DerPreprocessor_139 (store (store .cse5 .cse26 .cse63) .cse19 (select v_DerPreprocessor_139 .cse19))))))))))))))) is different from true [2023-12-02 14:42:31,010 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse3 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (or (= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse2 (store (select .cse1 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse2 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|) .cse0)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse3))))) 8) (not (= v_DerPreprocessor_141 (let ((.cse5 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store (let ((.cse4 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse4 .cse3 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse4) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse5 (select v_DerPreprocessor_141 .cse5)))))))) is different from false [2023-12-02 14:42:34,723 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse38 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse20 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse37 (* .cse38 8))) (let ((.cse17 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (< .cse38 2147483648)) (.cse0 (< 2147483647 .cse38)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse19 (* 8 .cse20))) (and (or (let ((.cse11 (+ 6 (select .cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse19))))) (and (or .cse0 (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse9 .cse10 .cse11)))) (or (= (let ((.cse2 (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse3 (store (select .cse2 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse3 .cse4 .cse1)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))))) 8) (not (= v_DerPreprocessor_141 (store (let ((.cse7 (store (select .cse6 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse7 .cse5 (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse8 (select v_DerPreprocessor_141 .cse8)))))))) (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse9 .cse17 .cse11)))) (or (= (let ((.cse13 (store .cse15 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse14 (store (select .cse13 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse12 (select (select (store .cse13 |c_ULTIMATE.start_main_~c~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse12 (select (select (store .cse13 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse14 .cse4 .cse12)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))))) 8) (not (= v_DerPreprocessor_141 (store (let ((.cse16 (store (select .cse15 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse16 .cse5 (+ (select (select (store .cse15 |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse8 (select v_DerPreprocessor_141 .cse8))))))) .cse18))) (< 2147483647 .cse20)) (or (< .cse20 2147483648) (let ((.cse26 (+ (select .cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse19)) 6))) (and (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse24 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse9 .cse17 .cse26)))) (or (= (let ((.cse22 (store .cse24 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse23 (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse21 (select (select (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse21 (select (select (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse23 .cse4 .cse21)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))))) 8) (not (= v_DerPreprocessor_141 (store (let ((.cse25 (store (select .cse24 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse25 .cse5 (+ (select (select (store .cse24 |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse8 (select v_DerPreprocessor_141 .cse8))))))) .cse18) (or .cse0 (and (or (not (= |c_ULTIMATE.start_main_~i~0#1| 0)) (forall ((v_DerPreprocessor_144 (Array Int Int)) (v_DerPreprocessor_141 (Array Int Int))) (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_DerPreprocessor_144))) (or (= (let ((.cse28 (store .cse30 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse29 (store (select .cse28 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse27 (select (select (store .cse28 |c_ULTIMATE.start_main_~c~0#1.base| .cse29) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse27 (select (select (store .cse28 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse29 .cse4 .cse27)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))))) 8) (not (= (store (let ((.cse31 (store (select .cse30 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse31 .cse5 (+ (select (select (store .cse30 |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse8 (select v_DerPreprocessor_141 .cse8)) v_DerPreprocessor_141)))))) (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse9 .cse10 .cse26)))) (or (= (let ((.cse33 (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse34 (store (select .cse33 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| .cse34) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse34 .cse4 .cse32)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5))))) 8) (not (= (store (let ((.cse36 (store (select .cse35 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse36 .cse5 (+ (select (select (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse8 (select v_DerPreprocessor_141 .cse8)) v_DerPreprocessor_141)))))))))))))) is different from false [2023-12-02 14:42:38,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:42:38,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 212 treesize of output 147 [2023-12-02 14:42:41,059 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse66 (mod .cse1 4294967296)) (.cse63 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse43 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse65 (* .cse63 8)) (.cse64 (* .cse66 8))) (let ((.cse24 (< .cse66 2147483648)) (.cse0 (< 2147483647 .cse66)) (.cse16 (+ .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse40 (+ .cse65 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse29 (< 2147483647 .cse63)) (.cse9 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (+ .cse65 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse23 (+ .cse64 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse28 (< .cse63 2147483648)) (.cse25 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse42 (* 8 .cse43))) (and (or (let ((.cse41 (select .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse42)))) (let ((.cse27 (+ .cse41 6)) (.cse17 (+ .cse41 12))) (and (or (let ((.cse15 (store .cse25 .cse26 .cse27))) (and (or .cse0 (and (or (not (= .cse1 0)) (forall ((v_DerPreprocessor_144 (Array Int Int)) (v_DerPreprocessor_141 (Array Int Int))) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_DerPreprocessor_144))) (or (= (let ((.cse3 (store .cse7 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse4 (store (select .cse3 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~c~0#1.base| .cse4) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse4 .cse5 .cse2)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8) (not (= (store (let ((.cse8 (store (select .cse7 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse8 .cse6 (+ (select (select (store .cse7 |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)) v_DerPreprocessor_141)))))) (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse15 .cse16 .cse17)))) (or (= (let ((.cse11 (store .cse13 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse12 (store (select .cse11 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse12 .cse5 .cse10)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8) (not (= v_DerPreprocessor_141 (store (let ((.cse14 (store (select .cse13 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse14 .cse6 (+ (select (select (store .cse13 |c_ULTIMATE.start_main_~b~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9))))))))) (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse15 .cse23 .cse17)))) (or (= 8 (let ((.cse18 (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse19 (store (select .cse18 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse20 (select (select (store .cse18 |c_ULTIMATE.start_main_~c~0#1.base| .cse19) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse18 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse19 .cse5 .cse20)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse20))))) (not (= v_DerPreprocessor_141 (store (let ((.cse22 (store (select .cse21 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse22 .cse6 (+ (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9))))))) .cse24))) .cse28) (or .cse29 (and (or (forall ((v_arrayElimArr_21 (Array Int Int)) (v_DerPreprocessor_141 (Array Int Int))) (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_arrayElimArr_21))) (or (not (= (select v_arrayElimArr_21 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (+ (select v_arrayElimArr_21 |c_ULTIMATE.start_main_~a~0#1.offset|) 6))) (not (= v_DerPreprocessor_141 (store (let ((.cse30 (store (select .cse31 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse30 .cse6 (+ (select (select (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)))) (= (let ((.cse33 (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse34 (store (select .cse33 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| .cse34) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse34 .cse5 .cse32)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8)))) (not (= |c_ULTIMATE.start_main_~i~0#1| 0))) (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store .cse25 .cse40 .cse27) .cse16 .cse17)))) (or (not (= v_DerPreprocessor_141 (store (let ((.cse35 (store (select .cse36 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse35 .cse6 (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| .cse35) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)))) (= (let ((.cse38 (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse39 (store (select .cse38 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse37 (select (select (store .cse38 |c_ULTIMATE.start_main_~c~0#1.base| .cse39) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse37 (select (select (store .cse38 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse39 .cse5 .cse37)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8))))))))) (< .cse43 2147483648)) (or (< 2147483647 .cse43) (let ((.cse62 (select .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse42)))) (let ((.cse56 (+ 6 .cse62)) (.cse50 (+ 12 .cse62))) (and (or (let ((.cse49 (store .cse25 .cse40 .cse56))) (and (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse47 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse49 .cse23 .cse50)))) (or (= (let ((.cse44 (store .cse47 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse45 (store (select .cse44 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse46 (select (select (store .cse44 |c_ULTIMATE.start_main_~c~0#1.base| .cse45) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse44 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse45 .cse5 .cse46)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse46)))) 8) (not (= v_DerPreprocessor_141 (store (let ((.cse48 (store (select .cse47 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse48 .cse6 (+ (select (select (store .cse47 |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9))))))) .cse24) (or .cse0 (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse49 .cse16 .cse50)))) (or (not (= v_DerPreprocessor_141 (store (let ((.cse51 (store (select .cse52 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse51 .cse6 (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse51) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)))) (= (let ((.cse54 (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse55 (store (select .cse54 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| .cse55) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse55 .cse5 .cse53)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8))))))) .cse29) (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store .cse25 .cse26 .cse56) .cse23 .cse50)))) (or (not (= (store (let ((.cse57 (store (select .cse58 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse57 .cse6 (+ (select (select (store .cse58 |c_ULTIMATE.start_main_~b~0#1.base| .cse57) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)) v_DerPreprocessor_141)) (= (let ((.cse60 (store .cse58 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse61 (store (select .cse60 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse59 (select (select (store .cse60 |c_ULTIMATE.start_main_~c~0#1.base| .cse61) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse59 (select (select (store .cse60 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse61 .cse5 .cse59)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8)))) .cse28)))))))))) is different from false [2023-12-02 14:42:43,077 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse66 (mod .cse1 4294967296)) (.cse63 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse43 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse65 (* .cse63 8)) (.cse64 (* .cse66 8))) (let ((.cse24 (< .cse66 2147483648)) (.cse0 (< 2147483647 .cse66)) (.cse16 (+ .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse40 (+ .cse65 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse29 (< 2147483647 .cse63)) (.cse9 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (+ .cse65 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse23 (+ .cse64 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse28 (< .cse63 2147483648)) (.cse25 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse42 (* 8 .cse43))) (and (or (let ((.cse41 (select .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse42)))) (let ((.cse27 (+ .cse41 6)) (.cse17 (+ .cse41 12))) (and (or (let ((.cse15 (store .cse25 .cse26 .cse27))) (and (or .cse0 (and (or (not (= .cse1 0)) (forall ((v_DerPreprocessor_144 (Array Int Int)) (v_DerPreprocessor_141 (Array Int Int))) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_DerPreprocessor_144))) (or (= (let ((.cse3 (store .cse7 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse4 (store (select .cse3 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~c~0#1.base| .cse4) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse4 .cse5 .cse2)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8) (not (= (store (let ((.cse8 (store (select .cse7 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse8 .cse6 (+ (select (select (store .cse7 |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)) v_DerPreprocessor_141)))))) (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse15 .cse16 .cse17)))) (or (= (let ((.cse11 (store .cse13 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse12 (store (select .cse11 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse10 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse12 .cse5 .cse10)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8) (not (= v_DerPreprocessor_141 (store (let ((.cse14 (store (select .cse13 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse14 .cse6 (+ (select (select (store .cse13 |c_ULTIMATE.start_main_~b~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9))))))))) (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse15 .cse23 .cse17)))) (or (= 8 (let ((.cse18 (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse19 (store (select .cse18 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse20 (select (select (store .cse18 |c_ULTIMATE.start_main_~c~0#1.base| .cse19) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse18 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse19 .cse5 .cse20)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse20))))) (not (= v_DerPreprocessor_141 (store (let ((.cse22 (store (select .cse21 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse22 .cse6 (+ (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9))))))) .cse24))) .cse28) (or .cse29 (and (or (forall ((v_arrayElimArr_21 (Array Int Int)) (v_DerPreprocessor_141 (Array Int Int))) (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_arrayElimArr_21))) (or (not (= (select v_arrayElimArr_21 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (+ (select v_arrayElimArr_21 |c_ULTIMATE.start_main_~a~0#1.offset|) 6))) (not (= v_DerPreprocessor_141 (store (let ((.cse30 (store (select .cse31 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse30 .cse6 (+ (select (select (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)))) (= (let ((.cse33 (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse34 (store (select .cse33 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| .cse34) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse34 .cse5 .cse32)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8)))) (not (= |c_ULTIMATE.start_main_~i~0#1| 0))) (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store .cse25 .cse40 .cse27) .cse16 .cse17)))) (or (not (= v_DerPreprocessor_141 (store (let ((.cse35 (store (select .cse36 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse35 .cse6 (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| .cse35) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)))) (= (let ((.cse38 (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse39 (store (select .cse38 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse37 (select (select (store .cse38 |c_ULTIMATE.start_main_~c~0#1.base| .cse39) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse37 (select (select (store .cse38 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse39 .cse5 .cse37)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8))))))))) (< .cse43 2147483648)) (or (< 2147483647 .cse43) (let ((.cse62 (select .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse42)))) (let ((.cse56 (+ 6 .cse62)) (.cse50 (+ 12 .cse62))) (and (or (let ((.cse49 (store .cse25 .cse40 .cse56))) (and (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse47 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse49 .cse23 .cse50)))) (or (= (let ((.cse44 (store .cse47 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse45 (store (select .cse44 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse46 (select (select (store .cse44 |c_ULTIMATE.start_main_~c~0#1.base| .cse45) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse44 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse45 .cse5 .cse46)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse46)))) 8) (not (= v_DerPreprocessor_141 (store (let ((.cse48 (store (select .cse47 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse48 .cse6 (+ (select (select (store .cse47 |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9))))))) .cse24) (or .cse0 (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store .cse49 .cse16 .cse50)))) (or (not (= v_DerPreprocessor_141 (store (let ((.cse51 (store (select .cse52 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse51 .cse6 (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| .cse51) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)))) (= (let ((.cse54 (store .cse52 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse55 (store (select .cse54 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| .cse55) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse53 (select (select (store .cse54 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse55 .cse5 .cse53)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8))))))) .cse29) (or (forall ((v_DerPreprocessor_141 (Array Int Int))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (store .cse25 .cse26 .cse56) .cse23 .cse50)))) (or (not (= (store (let ((.cse57 (store (select .cse58 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse57 .cse6 (+ (select (select (store .cse58 |c_ULTIMATE.start_main_~b~0#1.base| .cse57) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) .cse9 (select v_DerPreprocessor_141 .cse9)) v_DerPreprocessor_141)) (= (let ((.cse60 (store .cse58 |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_141))) (let ((.cse61 (store (select .cse60 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse59 (select (select (store .cse60 |c_ULTIMATE.start_main_~c~0#1.base| .cse61) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse59 (select (select (store .cse60 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse61 .cse5 .cse59)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6))))) 8)))) .cse28)))))))))) is different from true [2023-12-02 14:42:43,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:42:43,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 47 [2023-12-02 14:42:43,318 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:42:43,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-12-02 14:46:12,483 WARN L293 SmtUtils]: Spent 3.45m on a formula simplification. DAG size of input: 184 DAG size of output: 88 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 14:46:12,484 INFO L349 Elim1Store]: treesize reduction 812, result has 29.5 percent of original size [2023-12-02 14:46:12,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 29 case distinctions, treesize of input 7431 treesize of output 4489 [2023-12-02 14:48:13,907 WARN L293 SmtUtils]: Spent 2.02m on a formula simplification. DAG size of input: 65 DAG size of output: 43 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 14:48:13,907 INFO L349 Elim1Store]: treesize reduction 137, result has 36.3 percent of original size [2023-12-02 14:48:13,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 2267 treesize of output 2332 [2023-12-02 14:48:15,343 INFO L224 Elim1Store]: Index analysis took 1147 ms