./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i --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_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/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_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/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_15e56b2d-188a-4e75-8116-e62ec267d2ca/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 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:03:47,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:03:47,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:03:47,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:03:47,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:03:47,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:03:47,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:03:47,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:03:47,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:03:47,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:03:47,497 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:03:47,497 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:03:47,498 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:03:47,498 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:03:47,499 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:03:47,500 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:03:47,500 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:03:47,501 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:03:47,501 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:03:47,502 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:03:47,502 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:03:47,504 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:03:47,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:03:47,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:03:47,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:03:47,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:03:47,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:03:47,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:03:47,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:03:47,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:03:47,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:03:47,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:03:47,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:03:47,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:03:47,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:03:47,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:03:47,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:03:47,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:03:47,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:03:47,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:03:47,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:03:47,511 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:03:47,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:03:47,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:03:47,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:03:47,512 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:03:47,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:03:47,512 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_15e56b2d-188a-4e75-8116-e62ec267d2ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 [2023-12-02 15:03:47,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:03:47,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:03:47,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:03:47,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:03:47,780 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:03:47,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2023-12-02 15:03:50,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:03:50,838 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:03:50,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2023-12-02 15:03:50,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/data/dcc2fb158/11f8b6eb433344698e70b7b256d416f5/FLAG805063c66 [2023-12-02 15:03:50,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/data/dcc2fb158/11f8b6eb433344698e70b7b256d416f5 [2023-12-02 15:03:50,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:03:50,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:03:50,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:03:50,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:03:50,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:03:50,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:50" (1/1) ... [2023-12-02 15:03:50,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceb4280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:50, skipping insertion in model container [2023-12-02 15:03:50,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:50" (1/1) ... [2023-12-02 15:03:50,962 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:03:51,348 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_15e56b2d-188a-4e75-8116-e62ec267d2ca/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2023-12-02 15:03:51,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:03:51,450 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:03:51,487 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_15e56b2d-188a-4e75-8116-e62ec267d2ca/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2023-12-02 15:03:51,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:03:51,571 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:03:51,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51 WrapperNode [2023-12-02 15:03:51,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:03:51,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:03:51,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:03:51,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:03:51,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,665 INFO L138 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 790 [2023-12-02 15:03:51,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:03:51,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:03:51,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:03:51,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:03:51,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:03:51,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:03:51,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:03:51,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:03:51,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (1/1) ... [2023-12-02 15:03:51,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:03:51,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:03:51,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:03:51,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:03:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:03:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 15:03:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 15:03:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:03:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 15:03:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 15:03:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:03:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:03:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:03:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:03:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:03:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:03:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:03:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:03:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:03:52,047 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:03:52,050 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:03:53,129 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:03:54,069 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:03:54,069 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-02 15:03:54,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:54 BoogieIcfgContainer [2023-12-02 15:03:54,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:03:54,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:03:54,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:03:54,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:03:54,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:03:50" (1/3) ... [2023-12-02 15:03:54,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b3d5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:03:54, skipping insertion in model container [2023-12-02 15:03:54,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:51" (2/3) ... [2023-12-02 15:03:54,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b3d5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:03:54, skipping insertion in model container [2023-12-02 15:03:54,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:54" (3/3) ... [2023-12-02 15:03:54,082 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-1.i [2023-12-02 15:03:54,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:03:54,105 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:03:54,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:03:54,171 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;@17078d07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:03:54,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:03:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 68 states have (on average 1.7352941176470589) internal successors, (118), 79 states have internal predecessors, (118), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 15:03:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 15:03:54,186 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:03:54,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:03:54,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:03:54,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:03:54,193 INFO L85 PathProgramCache]: Analyzing trace with hash -934467417, now seen corresponding path program 1 times [2023-12-02 15:03:54,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:03:54,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683607710] [2023-12-02 15:03:54,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:03:54,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:03:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:03:54,430 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 15:03:54,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:03:54,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683607710] [2023-12-02 15:03:54,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683607710] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:03:54,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:03:54,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:03:54,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908287785] [2023-12-02 15:03:54,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:03:54,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:03:54,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:03:54,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:03:54,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:03:54,478 INFO L87 Difference]: Start difference. First operand has 85 states, 68 states have (on average 1.7352941176470589) internal successors, (118), 79 states have internal predecessors, (118), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:03:56,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:03:58,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:00,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:02,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:04,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:06,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:08,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:04:08,007 INFO L93 Difference]: Finished difference Result 221 states and 388 transitions. [2023-12-02 15:04:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:04:08,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 15:04:08,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:04:08,026 INFO L225 Difference]: With dead ends: 221 [2023-12-02 15:04:08,026 INFO L226 Difference]: Without dead ends: 136 [2023-12-02 15:04:08,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:04:08,034 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 53 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:04:08,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 192 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 6 Unknown, 0 Unchecked, 13.5s Time] [2023-12-02 15:04:08,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-02 15:04:08,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 85. [2023-12-02 15:04:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 79 states have internal predecessors, (87), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 15:04:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 113 transitions. [2023-12-02 15:04:08,081 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 113 transitions. Word has length 8 [2023-12-02 15:04:08,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:04:08,082 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 113 transitions. [2023-12-02 15:04:08,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:04:08,082 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2023-12-02 15:04:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 15:04:08,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:04:08,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:04:08,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:04:08,086 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:04:08,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:04:08,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1399065638, now seen corresponding path program 1 times [2023-12-02 15:04:08,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:04:08,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285086295] [2023-12-02 15:04:08,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:08,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:04:08,156 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:04:08,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311257169] [2023-12-02 15:04:08,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:04:08,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:04:08,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:04:08,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:04:08,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:04:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:04:08,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:04:08,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:04:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:04:08,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:04:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:04:08,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:04:08,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285086295] [2023-12-02 15:04:08,681 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:04:08,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311257169] [2023-12-02 15:04:08,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311257169] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:04:08,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1706835926] [2023-12-02 15:04:08,705 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2023-12-02 15:04:08,705 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:04:08,709 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:04:08,715 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:04:08,715 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:04:14,815 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:04:15,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1706835926] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:04:15,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:04:15,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3] total 12 [2023-12-02 15:04:15,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683935225] [2023-12-02 15:04:15,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:04:15,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 15:04:15,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:04:15,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 15:04:15,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=87, Unknown=0, NotChecked=0, Total=156 [2023-12-02 15:04:15,663 INFO L87 Difference]: Start difference. First operand 85 states and 113 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:04:17,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:19,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:21,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:23,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:28,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:30,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:32,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:34,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:36,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:38,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:40,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:42,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:44,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:46,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:48,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:50,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:52,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:04:54,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:56,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:04:58,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:01,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:05:03,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 15:05:04,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:05:04,561 INFO L93 Difference]: Finished difference Result 188 states and 248 transitions. [2023-12-02 15:05:04,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 15:05:04,567 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-12-02 15:05:04,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:05:04,568 INFO L225 Difference]: With dead ends: 188 [2023-12-02 15:05:04,569 INFO L226 Difference]: Without dead ends: 105 [2023-12-02 15:05:04,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=103, Invalid=136, Unknown=1, NotChecked=0, Total=240 [2023-12-02 15:05:04,570 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 18 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 5 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:05:04,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 391 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 163 Invalid, 26 Unknown, 0 Unchecked, 48.5s Time] [2023-12-02 15:05:04,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-02 15:05:04,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2023-12-02 15:05:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 80 states have (on average 1.225) internal successors, (98), 90 states have internal predecessors, (98), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 15:05:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2023-12-02 15:05:04,584 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 124 transitions. Word has length 35 [2023-12-02 15:05:04,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:05:04,585 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 124 transitions. [2023-12-02 15:05:04,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:05:04,585 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2023-12-02 15:05:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 15:05:04,586 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:05:04,587 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:05:04,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:05:04,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:05:04,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:05:04,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:05:04,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1214448193, now seen corresponding path program 1 times [2023-12-02 15:05:04,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:05:04,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331792318] [2023-12-02 15:05:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:05:04,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:05:04,859 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:05:04,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1657942262] [2023-12-02 15:05:04,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:05:04,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:05:04,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:05:04,861 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:05:04,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 15:05:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:05:05,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:05:05,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:05:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 15:05:05,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:05:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 15:05:05,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:05:05,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331792318] [2023-12-02 15:05:05,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:05:05,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657942262] [2023-12-02 15:05:05,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657942262] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:05:05,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [737489811] [2023-12-02 15:05:05,279 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2023-12-02 15:05:05,279 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:05:05,279 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:05:05,280 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:05:05,280 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:05:10,933 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 206 for LOIs [2023-12-02 15:05:11,067 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:05:31,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [737489811] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:05:31,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:05:31,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4] total 18 [2023-12-02 15:05:31,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319172526] [2023-12-02 15:05:31,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:05:31,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 15:05:31,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:05:31,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 15:05:31,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=205, Unknown=6, NotChecked=0, Total=306 [2023-12-02 15:05:31,877 INFO L87 Difference]: Start difference. First operand 96 states and 124 transitions. Second operand has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 15:05:34,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:36,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:38,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:40,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:42,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:44,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:46,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:48,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:50,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:53,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:05:59,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:11,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:13,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:27,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:29,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:32,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:34,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:36,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:38,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:40,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:42,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:44,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:46,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:48,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:50,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:52,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:54,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:06:56,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:06:58,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:00,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:02,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:04,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:07:06,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:07:08,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:07:10,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:07:12,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:07:14,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:07:16,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:07:18,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:07:20,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:07:22,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:07:24,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:07:26,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:07:26,759 INFO L93 Difference]: Finished difference Result 190 states and 250 transitions. [2023-12-02 15:07:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 15:07:26,765 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2023-12-02 15:07:26,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:07:26,767 INFO L225 Difference]: With dead ends: 190 [2023-12-02 15:07:26,767 INFO L226 Difference]: Without dead ends: 107 [2023-12-02 15:07:26,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 43.8s TimeCoverageRelationStatistics Valid=143, Invalid=346, Unknown=17, NotChecked=0, Total=506 [2023-12-02 15:07:26,770 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 15 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 47 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 47 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:07:26,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 340 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 47 Unknown, 0 Unchecked, 91.8s Time] [2023-12-02 15:07:26,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-02 15:07:26,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 101. [2023-12-02 15:07:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 84 states have (on average 1.2142857142857142) internal successors, (102), 94 states have internal predecessors, (102), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 15:07:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 130 transitions. [2023-12-02 15:07:26,796 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 130 transitions. Word has length 48 [2023-12-02 15:07:26,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:07:26,796 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 130 transitions. [2023-12-02 15:07:26,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 15:07:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 130 transitions. [2023-12-02 15:07:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 15:07:26,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:07:26,799 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:07:26,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 15:07:27,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:07:27,000 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:07:27,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:07:27,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2033913897, now seen corresponding path program 1 times [2023-12-02 15:07:27,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:07:27,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610790839] [2023-12-02 15:07:27,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:07:27,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:07:27,063 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:07:27,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [424023143] [2023-12-02 15:07:27,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:07:27,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:07:27,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:07:27,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:07:27,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 15:07:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:07:27,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:07:27,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:07:27,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 15:07:27,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:07:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 15:07:27,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:07:27,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610790839] [2023-12-02 15:07:27,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:07:27,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424023143] [2023-12-02 15:07:27,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424023143] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:07:27,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [108475071] [2023-12-02 15:07:27,570 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2023-12-02 15:07:27,570 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:07:27,571 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:07:27,571 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:07:27,572 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:08:03,836 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 26 for LOIs [2023-12-02 15:08:03,850 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 203 for LOIs [2023-12-02 15:08:04,033 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:08:15,699 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification. DAG size of input: 203 DAG size of output: 200 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:08:26,782 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:08:28,797 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 (= |c_ULTIMATE.start_main_#t~mem64#1.base| |c_ULTIMATE.start_main_#t~memset~res65#1.base|)) (.cse1 (= |c_ULTIMATE.start_main_#t~memset~res65#1.offset| |c_ULTIMATE.start_main_#t~mem64#1.offset|))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22|))) .cse0 .cse1 (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse4 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse22 (store |v_#memory_$Pointer$.offset_325| .cse14 (store (select |v_#memory_$Pointer$.offset_325| .cse14) .cse15 8))) (.cse21 (store |v_#memory_$Pointer$.base_325| .cse14 (store (select |v_#memory_$Pointer$.base_325| .cse14) .cse15 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse17 (store |v_#memory_$Pointer$.offset_85| .cse4 (store (select |v_#memory_$Pointer$.offset_85| .cse4) .cse5 0))) (.cse20 (store |v_#memory_$Pointer$.base_87| .cse4 (store (select |v_#memory_$Pointer$.base_87| .cse4) .cse5 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse2 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse16 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ 40 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse10 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse12 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ 4 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse2) (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse3 (let ((.cse6 (let ((.cse9 (store |v_#memory_int_97| .cse12 (store (select |v_#memory_int_97| .cse12) .cse13 32)))) (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 5))))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 8))))) (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_#memory_int_96| .cse4) .cse5)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse14 (store (select |v_#memory_int_373| .cse14) .cse15 (select (select |v_#memory_int_97| .cse14) .cse15)))) (= (store |v_#memory_$Pointer$.offset_87| .cse7 (store (select |v_#memory_$Pointer$.offset_87| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_85| .cse7) .cse8))) |v_#memory_$Pointer$.offset_85|) (= |c_ULTIMATE.start_main_#t~mem64#1.offset| (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|)) (= |c_ULTIMATE.start_main_#t~mem64#1.base| (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|)) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse16) .cse2) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse16) .cse2) 0))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= (store |v_#memory_$Pointer$.base_86| .cse7 (store (select |v_#memory_$Pointer$.base_86| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_87| .cse7) .cse8))) |v_#memory_$Pointer$.base_87|) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse16) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse18) .cse19)))) (= (store .cse20 .cse18 (store (select .cse20 .cse18) .cse19 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse18) .cse19))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_26|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse10 (store (select |v_#memory_$Pointer$.base_85| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_86| .cse10) .cse11))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse21 .cse12 (store (select .cse21 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_85| .cse12) .cse13))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse10 (store (select |v_#memory_$Pointer$.offset_86| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_87| .cse10) .cse11)))) (= (store .cse22 .cse12 (store (select .cse22 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_86| .cse12) .cse13))) |v_#memory_$Pointer$.offset_86|))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| 4294967296)))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse24 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse43 (store |v_#memory_$Pointer$.offset_325| .cse34 (store (select |v_#memory_$Pointer$.offset_325| .cse34) .cse35 8))) (.cse42 (store |v_#memory_$Pointer$.base_325| .cse34 (store (select |v_#memory_$Pointer$.base_325| .cse34) .cse35 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse40 (store |v_#memory_$Pointer$.offset_85| .cse24 (store (select |v_#memory_$Pointer$.offset_85| .cse24) .cse25 0))) (.cse37 (store |v_#memory_$Pointer$.base_87| .cse24 (store (select |v_#memory_$Pointer$.base_87| .cse24) .cse25 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse38 (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (+ 40 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse27 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse41 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse32 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (+ 4 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse23 (let ((.cse26 (let ((.cse29 (store |v_#memory_int_97| .cse32 (store (select |v_#memory_int_97| .cse32) .cse33 32)))) (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 5))))) (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 8))))) (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 (select (select |v_#memory_int_96| .cse24) .cse25)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse34 (store (select |v_#memory_int_373| .cse34) .cse35 (select (select |v_#memory_int_97| .cse34) .cse35)))) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (store |v_#memory_$Pointer$.offset_87| .cse27 (store (select |v_#memory_$Pointer$.offset_87| .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_85| .cse27) .cse28))) |v_#memory_$Pointer$.offset_85|) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse36) (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.base|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (store .cse37 .cse38 (store (select .cse37 .cse38) .cse39 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse38) .cse39)))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (store .cse40 .cse38 (store (select .cse40 .cse38) .cse39 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse38) .cse39)))) (= .cse41 |c_ULTIMATE.start_main_#t~mem63#1.base|) (= (store |v_#memory_$Pointer$.base_86| .cse27 (store (select |v_#memory_$Pointer$.base_86| .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_87| .cse27) .cse28))) |v_#memory_$Pointer$.base_87|) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse41) .cse36) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse41) .cse36) 0))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse30 (store (select |v_#memory_$Pointer$.base_85| .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_86| .cse30) .cse31))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse42 .cse32 (store (select .cse42 .cse32) .cse33 (select (select |v_#memory_$Pointer$.base_85| .cse32) .cse33))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse30 (store (select |v_#memory_$Pointer$.offset_86| .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_87| .cse30) .cse31)))) (= (store .cse43 .cse32 (store (select .cse43 .cse32) .cse33 (select (select |v_#memory_$Pointer$.offset_86| .cse32) .cse33))) |v_#memory_$Pointer$.offset_86|)))))) .cse0 .cse1))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.base| 0)) is different from false [2023-12-02 15:09:06,325 WARN L293 SmtUtils]: Spent 13.14s on a formula simplification that was a NOOP. DAG size: 215 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:09:58,172 WARN L293 SmtUtils]: Spent 14.27s on a formula simplification that was a NOOP. DAG size: 215 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:10:00,182 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (exists ((|v_#memory_$Pointer$.offset_326| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_326| (Array Int (Array Int Int))) (|v_#memory_int_374| (Array Int (Array Int Int)))) (let ((.cse1 (+ 12 (select (select |v_#memory_$Pointer$.offset_326| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (.cse0 (select (select |v_#memory_$Pointer$.base_326| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_326| .cse0 (store (select |v_#memory_$Pointer$.base_326| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_326| .cse0 (store (select |v_#memory_$Pointer$.offset_326| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1)))) (= (store |v_#memory_int_374| .cse0 (let ((.cse2 (select |v_#memory_int_374| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| 4294967296)))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse4 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse23 (store |v_#memory_$Pointer$.offset_325| .cse14 (store (select |v_#memory_$Pointer$.offset_325| .cse14) .cse15 8))) (.cse22 (store |v_#memory_$Pointer$.base_325| .cse14 (store (select |v_#memory_$Pointer$.base_325| .cse14) .cse15 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse19 (store |v_#memory_$Pointer$.offset_85| .cse4 (store (select |v_#memory_$Pointer$.offset_85| .cse4) .cse5 0))) (.cse16 (store |v_#memory_$Pointer$.base_87| .cse4 (store (select |v_#memory_$Pointer$.base_87| .cse4) .cse5 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse17 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ 40 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse7 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse10 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse12 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ 4 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse3 (let ((.cse6 (let ((.cse9 (store |v_#memory_int_97| .cse12 (store (select |v_#memory_int_97| .cse12) .cse13 32)))) (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 5))))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 8))))) (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_#memory_int_96| .cse4) .cse5)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse14 (store (select |v_#memory_int_373| .cse14) .cse15 (select (select |v_#memory_int_97| .cse14) .cse15)))) (= (store |v_#memory_$Pointer$.offset_87| .cse7 (store (select |v_#memory_$Pointer$.offset_87| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_85| .cse7) .cse8))) |v_#memory_$Pointer$.offset_85|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (store .cse16 .cse17 (store (select .cse16 .cse17) .cse18 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse17) .cse18)))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (store .cse19 .cse17 (store (select .cse19 .cse17) .cse18 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse17) .cse18)))) (= (store |v_#memory_$Pointer$.base_86| .cse7 (store (select |v_#memory_$Pointer$.base_86| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_87| .cse7) .cse8))) |v_#memory_$Pointer$.base_87|) (let ((.cse20 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse21 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse20) .cse21) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse20) .cse21) 0)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse10 (store (select |v_#memory_$Pointer$.base_85| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_86| .cse10) .cse11))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse22 .cse12 (store (select .cse22 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_85| .cse12) .cse13))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse10 (store (select |v_#memory_$Pointer$.offset_86| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_87| .cse10) .cse11)))) (= (store .cse23 .cse12 (store (select .cse23 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_86| .cse12) .cse13))) |v_#memory_$Pointer$.offset_86|))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22|))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse25 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse44 (store |v_#memory_$Pointer$.offset_325| .cse35 (store (select |v_#memory_$Pointer$.offset_325| .cse35) .cse36 8))) (.cse43 (store |v_#memory_$Pointer$.base_325| .cse35 (store (select |v_#memory_$Pointer$.base_325| .cse35) .cse36 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse39 (store |v_#memory_$Pointer$.offset_85| .cse25 (store (select |v_#memory_$Pointer$.offset_85| .cse25) .cse26 0))) (.cse42 (store |v_#memory_$Pointer$.base_87| .cse25 (store (select |v_#memory_$Pointer$.base_87| .cse25) .cse26 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse28 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse40 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (+ 40 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse31 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse33 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ 4 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse24 (let ((.cse27 (let ((.cse30 (store |v_#memory_int_97| .cse33 (store (select |v_#memory_int_97| .cse33) .cse34 32)))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 5))))) (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 8))))) (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_#memory_int_96| .cse25) .cse26)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse35 (store (select |v_#memory_int_373| .cse35) .cse36 (select (select |v_#memory_int_97| .cse35) .cse36)))) (= (store |v_#memory_$Pointer$.offset_87| .cse28 (store (select |v_#memory_$Pointer$.offset_87| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_85| .cse28) .cse29))) |v_#memory_$Pointer$.offset_85|) (let ((.cse37 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse37) .cse38) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse37) .cse38) 0)))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= (store |v_#memory_$Pointer$.base_86| .cse28 (store (select |v_#memory_$Pointer$.base_86| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_87| .cse28) .cse29))) |v_#memory_$Pointer$.base_87|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (store .cse39 .cse40 (store (select .cse39 .cse40) .cse41 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse40) .cse41)))) (= (store .cse42 .cse40 (store (select .cse42 .cse40) .cse41 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse40) .cse41))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_26|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse31 (store (select |v_#memory_$Pointer$.base_85| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_86| .cse31) .cse32))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse43 .cse33 (store (select .cse43 .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_85| .cse33) .cse34))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse31 (store (select |v_#memory_$Pointer$.offset_86| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_87| .cse31) .cse32)))) (= (store .cse44 .cse33 (store (select .cse44 .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_86| .cse33) .cse34))) |v_#memory_$Pointer$.offset_86|)))))))) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2023-12-02 15:10:02,218 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (exists ((|v_#memory_$Pointer$.offset_326| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_326| (Array Int (Array Int Int))) (|v_#memory_int_374| (Array Int (Array Int Int)))) (let ((.cse1 (+ 12 (select (select |v_#memory_$Pointer$.offset_326| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (.cse0 (select (select |v_#memory_$Pointer$.base_326| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_326| .cse0 (store (select |v_#memory_$Pointer$.base_326| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_326| .cse0 (store (select |v_#memory_$Pointer$.offset_326| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1)))) (= (store |v_#memory_int_374| .cse0 (let ((.cse2 (select |v_#memory_int_374| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| 4294967296)))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse4 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse23 (store |v_#memory_$Pointer$.offset_325| .cse14 (store (select |v_#memory_$Pointer$.offset_325| .cse14) .cse15 8))) (.cse22 (store |v_#memory_$Pointer$.base_325| .cse14 (store (select |v_#memory_$Pointer$.base_325| .cse14) .cse15 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse19 (store |v_#memory_$Pointer$.offset_85| .cse4 (store (select |v_#memory_$Pointer$.offset_85| .cse4) .cse5 0))) (.cse16 (store |v_#memory_$Pointer$.base_87| .cse4 (store (select |v_#memory_$Pointer$.base_87| .cse4) .cse5 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse17 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ 40 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse7 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse10 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse12 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ 4 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse3 (let ((.cse6 (let ((.cse9 (store |v_#memory_int_97| .cse12 (store (select |v_#memory_int_97| .cse12) .cse13 32)))) (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 5))))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 8))))) (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_#memory_int_96| .cse4) .cse5)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse14 (store (select |v_#memory_int_373| .cse14) .cse15 (select (select |v_#memory_int_97| .cse14) .cse15)))) (= (store |v_#memory_$Pointer$.offset_87| .cse7 (store (select |v_#memory_$Pointer$.offset_87| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_85| .cse7) .cse8))) |v_#memory_$Pointer$.offset_85|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (store .cse16 .cse17 (store (select .cse16 .cse17) .cse18 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse17) .cse18)))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (store .cse19 .cse17 (store (select .cse19 .cse17) .cse18 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse17) .cse18)))) (= (store |v_#memory_$Pointer$.base_86| .cse7 (store (select |v_#memory_$Pointer$.base_86| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_87| .cse7) .cse8))) |v_#memory_$Pointer$.base_87|) (let ((.cse20 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse21 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse20) .cse21) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse20) .cse21) 0)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse10 (store (select |v_#memory_$Pointer$.base_85| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_86| .cse10) .cse11))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse22 .cse12 (store (select .cse22 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_85| .cse12) .cse13))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse10 (store (select |v_#memory_$Pointer$.offset_86| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_87| .cse10) .cse11)))) (= (store .cse23 .cse12 (store (select .cse23 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_86| .cse12) .cse13))) |v_#memory_$Pointer$.offset_86|))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22|))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse25 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse44 (store |v_#memory_$Pointer$.offset_325| .cse35 (store (select |v_#memory_$Pointer$.offset_325| .cse35) .cse36 8))) (.cse43 (store |v_#memory_$Pointer$.base_325| .cse35 (store (select |v_#memory_$Pointer$.base_325| .cse35) .cse36 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse39 (store |v_#memory_$Pointer$.offset_85| .cse25 (store (select |v_#memory_$Pointer$.offset_85| .cse25) .cse26 0))) (.cse42 (store |v_#memory_$Pointer$.base_87| .cse25 (store (select |v_#memory_$Pointer$.base_87| .cse25) .cse26 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse28 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse40 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (+ 40 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse31 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse33 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ 4 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse24 (let ((.cse27 (let ((.cse30 (store |v_#memory_int_97| .cse33 (store (select |v_#memory_int_97| .cse33) .cse34 32)))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 5))))) (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 8))))) (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_#memory_int_96| .cse25) .cse26)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse35 (store (select |v_#memory_int_373| .cse35) .cse36 (select (select |v_#memory_int_97| .cse35) .cse36)))) (= (store |v_#memory_$Pointer$.offset_87| .cse28 (store (select |v_#memory_$Pointer$.offset_87| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_85| .cse28) .cse29))) |v_#memory_$Pointer$.offset_85|) (let ((.cse37 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse37) .cse38) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse37) .cse38) 0)))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= (store |v_#memory_$Pointer$.base_86| .cse28 (store (select |v_#memory_$Pointer$.base_86| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_87| .cse28) .cse29))) |v_#memory_$Pointer$.base_87|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (store .cse39 .cse40 (store (select .cse39 .cse40) .cse41 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse40) .cse41)))) (= (store .cse42 .cse40 (store (select .cse42 .cse40) .cse41 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse40) .cse41))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_26|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse31 (store (select |v_#memory_$Pointer$.base_85| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_86| .cse31) .cse32))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse43 .cse33 (store (select .cse43 .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_85| .cse33) .cse34))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse31 (store (select |v_#memory_$Pointer$.offset_86| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_87| .cse31) .cse32)))) (= (store .cse44 .cse33 (store (select .cse44 .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_86| .cse33) .cse34))) |v_#memory_$Pointer$.offset_86|)))))))) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse49 (mod (+ (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 4)) 4294967295) 4294967296)) (.cse50 (mod |c_ULTIMATE.start_main_~_ha_hashv~0#1| 4294967296))) (let ((.cse45 (= .cse50 0)) (.cse46 (= .cse49 0))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| 0) (or .cse45 .cse46)) (and (not .cse45) (let ((.cse47 (= .cse49 .cse50))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse47) (let ((.cse48 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296))) (and (not .cse47) (<= .cse48 .cse49) (<= .cse48 .cse50))))) (not .cse46)))))) is different from false [2023-12-02 15:10:23,835 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2166#(and (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (exists ((|v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_24| Int)) (and (not (= |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_24| 0)) (or (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_24|) 0) 0)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_24|) 4) 0))))) (= ~count_int_int~0 1))' at error location [2023-12-02 15:10:23,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 15:10:23,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:10:23,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-02 15:10:23,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266297055] [2023-12-02 15:10:23,836 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 15:10:23,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:10:23,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:10:23,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:10:23,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=776, Unknown=32, NotChecked=180, Total=1122 [2023-12-02 15:10:23,838 INFO L87 Difference]: Start difference. First operand 101 states and 130 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 15:10:25,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:27,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:29,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:31,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:33,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:36,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:38,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:40,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:42,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:44,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:46,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:48,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:50,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:52,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:54,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:56,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:10:58,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:00,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:02,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:11:04,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:11:04,308 INFO L93 Difference]: Finished difference Result 266 states and 338 transitions. [2023-12-02 15:11:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:11:04,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2023-12-02 15:11:04,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:11:04,312 INFO L225 Difference]: With dead ends: 266 [2023-12-02 15:11:04,312 INFO L226 Difference]: Without dead ends: 238 [2023-12-02 15:11:04,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 139.8s TimeCoverageRelationStatistics Valid=134, Invalid=776, Unknown=32, NotChecked=180, Total=1122 [2023-12-02 15:11:04,315 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 168 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:11:04,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 331 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 19 Unknown, 0 Unchecked, 40.4s Time] [2023-12-02 15:11:04,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-12-02 15:11:04,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-12-02 15:11:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 213 states have (on average 1.1455399061032865) internal successors, (244), 222 states have internal predecessors, (244), 22 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 15:11:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2023-12-02 15:11:04,348 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 49 [2023-12-02 15:11:04,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:11:04,349 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2023-12-02 15:11:04,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 15:11:04,350 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2023-12-02 15:11:04,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-02 15:11:04,356 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:11:04,357 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:11:04,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 15:11:04,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:11:04,557 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:11:04,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:11:04,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1638155196, now seen corresponding path program 1 times [2023-12-02 15:11:04,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:11:04,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31993516] [2023-12-02 15:11:04,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:11:04,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:11:04,722 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:11:04,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [118552281] [2023-12-02 15:11:04,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:11:04,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:11:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:11:04,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:11:04,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 15:11:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:11:05,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 15:11:05,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:11:05,581 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 15:11:05,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:11:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 15:11:05,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:11:05,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31993516] [2023-12-02 15:11:05,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 15:11:05,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118552281] [2023-12-02 15:11:05,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118552281] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:11:05,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [30018231] [2023-12-02 15:11:05,847 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2023-12-02 15:11:05,847 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:11:05,847 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:11:05,848 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:11:05,848 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:11:33,596 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2023-12-02 15:11:33,609 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 206 for LOIs [2023-12-02 15:11:34,091 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:11:49,899 WARN L293 SmtUtils]: Spent 11.98s on a formula simplification. DAG size of input: 206 DAG size of output: 203 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:12:04,439 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (let ((.cse21 (= |c_ULTIMATE.start_main_#t~mem64#1.base| |c_ULTIMATE.start_main_#t~memset~res65#1.base|)) (.cse22 (= |c_ULTIMATE.start_main_#t~memset~res65#1.offset| |c_ULTIMATE.start_main_#t~mem64#1.offset|))) (or (and (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_int_515| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_449| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_449| (Array Int (Array Int Int))) (|v_#valid_81| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_39| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#length_67| (Array Int Int)) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| (Array Int (Array Int Int)))) (let ((.cse9 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (select (select |v_#memory_$Pointer$.base_449| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ 16 (select (select |v_#memory_$Pointer$.offset_449| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_449| .cse17 (store (select |v_#memory_$Pointer$.offset_449| .cse17) .cse18 8))) (.cse3 (store |v_#memory_$Pointer$.base_449| .cse17 (store (select |v_#memory_$Pointer$.base_449| .cse17) .cse18 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse16 (store |v_#memory_$Pointer$.offset_85| .cse9 (store (select |v_#memory_$Pointer$.offset_85| .cse9) .cse10 0))) (.cse0 (store |v_#memory_$Pointer$.base_87| .cse9 (store (select |v_#memory_$Pointer$.base_87| .cse9) .cse10 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ 40 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse6 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ 4 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse13 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse15 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_39| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_39| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.base|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_39| (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_39| .cse1) .cse2)))) (= (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_#memory_$Pointer$.base_85| .cse4) .cse5))) |v_#memory_$Pointer$.base_85|) (= (store |v_#memory_$Pointer$.offset_87| .cse6 (store (select |v_#memory_$Pointer$.offset_87| .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_85| .cse6) .cse7))) |v_#memory_$Pointer$.offset_85|) (= |v_#memory_int_96| (let ((.cse8 (let ((.cse11 (let ((.cse12 (store |v_#memory_int_97| .cse4 (store (select |v_#memory_int_97| .cse4) .cse5 32)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 5))))) (store .cse11 .cse6 (store (select .cse11 .cse6) .cse7 8))))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 (select (select |v_#memory_int_96| .cse9) .cse10))))) (= (select |v_#valid_81| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|) 0) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse15) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| (store .cse16 .cse1 (store (select .cse16 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| .cse1) .cse2)))) (= (store |v_#memory_$Pointer$.base_86| .cse6 (store (select |v_#memory_$Pointer$.base_86| .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_87| .cse6) .cse7))) |v_#memory_$Pointer$.base_87|) (= |v_#memory_int_97| (store |v_#memory_int_515| .cse17 (store (select |v_#memory_int_515| .cse17) .cse18 (select (select |v_#memory_int_97| .cse17) .cse18)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= |c_#valid| (store |v_#valid_81| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (store |v_#memory_$Pointer$.base_85| .cse13 (store (select |v_#memory_$Pointer$.base_85| .cse13) .cse14 (select (select |v_#memory_$Pointer$.base_86| .cse13) .cse14))) |v_#memory_$Pointer$.base_86|) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= .cse19 |c_ULTIMATE.start_main_#t~mem63#1.offset|) (= |c_#length| (store |v_#length_67| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384)) (= (store .cse20 .cse4 (store (select .cse20 .cse4) .cse5 (select (select |v_#memory_$Pointer$.offset_86| .cse4) .cse5))) |v_#memory_$Pointer$.offset_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse13 (store (select |v_#memory_$Pointer$.offset_86| .cse13) .cse14 (select (select |v_#memory_$Pointer$.offset_87| .cse13) .cse14)))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| .cse15) .cse19) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_39| .cse15) .cse19) 0)))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_33| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_33| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_33|))) .cse21 .cse22) (and .cse21 .cse22 (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_34| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_34|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_34| 4294967296)))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_int_515| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_449| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_449| (Array Int (Array Int Int))) (|v_#valid_81| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_40| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#length_67| (Array Int Int)) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_71| (Array Int (Array Int Int)))) (let ((.cse34 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (select (select |v_#memory_$Pointer$.base_449| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (+ 16 (select (select |v_#memory_$Pointer$.offset_449| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse43 (store |v_#memory_$Pointer$.offset_449| .cse40 (store (select |v_#memory_$Pointer$.offset_449| .cse40) .cse41 8))) (.cse26 (store |v_#memory_$Pointer$.base_449| .cse40 (store (select |v_#memory_$Pointer$.base_449| .cse40) .cse41 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse42 (store |v_#memory_$Pointer$.offset_85| .cse34 (store (select |v_#memory_$Pointer$.offset_85| .cse34) .cse35 0))) (.cse23 (store |v_#memory_$Pointer$.base_87| .cse34 (store (select |v_#memory_$Pointer$.base_87| .cse34) .cse35 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse29 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_40| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse30 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_71| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse24 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ 40 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse27 (select (select .cse26 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ 4 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse38 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (= |c_ULTIMATE.start_main_#t~mem64#1.base| (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_40| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_40| (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_40| .cse24) .cse25)))) (= (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_85| .cse27) .cse28))) |v_#memory_$Pointer$.base_85|) (or (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_71| .cse29) .cse30) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_40| .cse29) .cse30) 0))) (= (store |v_#memory_$Pointer$.offset_87| .cse31 (store (select |v_#memory_$Pointer$.offset_87| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_85| .cse31) .cse32))) |v_#memory_$Pointer$.offset_85|) (= |v_#memory_int_96| (let ((.cse33 (let ((.cse36 (let ((.cse37 (store |v_#memory_int_97| .cse27 (store (select |v_#memory_int_97| .cse27) .cse28 32)))) (store .cse37 .cse38 (store (select .cse37 .cse38) .cse39 5))))) (store .cse36 .cse31 (store (select .cse36 .cse31) .cse32 8))))) (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 (select (select |v_#memory_int_96| .cse34) .cse35))))) (= (select |v_#valid_81| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|) 0) (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_71| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse29) (= (store |v_#memory_$Pointer$.base_86| .cse31 (store (select |v_#memory_$Pointer$.base_86| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_87| .cse31) .cse32))) |v_#memory_$Pointer$.base_87|) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse30) (= |v_#memory_int_97| (store |v_#memory_int_515| .cse40 (store (select |v_#memory_int_515| .cse40) .cse41 (select (select |v_#memory_int_97| .cse40) .cse41)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= |c_#valid| (store |v_#valid_81| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (store |v_#memory_$Pointer$.base_85| .cse38 (store (select |v_#memory_$Pointer$.base_85| .cse38) .cse39 (select (select |v_#memory_$Pointer$.base_86| .cse38) .cse39))) |v_#memory_$Pointer$.base_86|) (= (store .cse42 .cse24 (store (select .cse42 .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_71| .cse24) .cse25))) |v_#memory_$Pointer$.offset_BEFORE_CALL_71|) (= |c_#length| (store |v_#length_67| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384)) (= (store .cse43 .cse27 (store (select .cse43 .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_86| .cse27) .cse28))) |v_#memory_$Pointer$.offset_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse38 (store (select |v_#memory_$Pointer$.offset_86| .cse38) .cse39 (select (select |v_#memory_$Pointer$.offset_87| .cse38) .cse39)))))))))))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| 0)) is different from false [2023-12-02 15:12:06,459 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| 0) (or (and (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_int_515| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_449| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_449| (Array Int (Array Int Int))) (|v_#valid_81| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_40| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#length_67| (Array Int Int)) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_71| (Array Int (Array Int Int)))) (let ((.cse11 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (select (select |v_#memory_$Pointer$.base_449| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ 16 (select (select |v_#memory_$Pointer$.offset_449| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_449| .cse17 (store (select |v_#memory_$Pointer$.offset_449| .cse17) .cse18 8))) (.cse3 (store |v_#memory_$Pointer$.base_449| .cse17 (store (select |v_#memory_$Pointer$.base_449| .cse17) .cse18 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse19 (store |v_#memory_$Pointer$.offset_85| .cse11 (store (select |v_#memory_$Pointer$.offset_85| .cse11) .cse12 0))) (.cse0 (store |v_#memory_$Pointer$.base_87| .cse11 (store (select |v_#memory_$Pointer$.base_87| .cse11) .cse12 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse8 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ 40 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ 4 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse15 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_40| (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_40| .cse1) .cse2)))) (= (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_#memory_$Pointer$.base_85| .cse4) .cse5))) |v_#memory_$Pointer$.base_85|) (let ((.cse6 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_40| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_71| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_71| .cse6) .cse7) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_40| .cse6) .cse7) 0)))) (= (store |v_#memory_$Pointer$.offset_87| .cse8 (store (select |v_#memory_$Pointer$.offset_87| .cse8) .cse9 (select (select |v_#memory_$Pointer$.offset_85| .cse8) .cse9))) |v_#memory_$Pointer$.offset_85|) (= |v_#memory_int_96| (let ((.cse10 (let ((.cse13 (let ((.cse14 (store |v_#memory_int_97| .cse4 (store (select |v_#memory_int_97| .cse4) .cse5 32)))) (store .cse14 .cse15 (store (select .cse14 .cse15) .cse16 5))))) (store .cse13 .cse8 (store (select .cse13 .cse8) .cse9 8))))) (store .cse10 .cse11 (store (select .cse10 .cse11) .cse12 (select (select |v_#memory_int_96| .cse11) .cse12))))) (= (select |v_#valid_81| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|) 0) (= (store |v_#memory_$Pointer$.base_86| .cse8 (store (select |v_#memory_$Pointer$.base_86| .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_87| .cse8) .cse9))) |v_#memory_$Pointer$.base_87|) (= |v_#memory_int_97| (store |v_#memory_int_515| .cse17 (store (select |v_#memory_int_515| .cse17) .cse18 (select (select |v_#memory_int_97| .cse17) .cse18)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= |c_#valid| (store |v_#valid_81| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (store |v_#memory_$Pointer$.base_85| .cse15 (store (select |v_#memory_$Pointer$.base_85| .cse15) .cse16 (select (select |v_#memory_$Pointer$.base_86| .cse15) .cse16))) |v_#memory_$Pointer$.base_86|) (= (store .cse19 .cse1 (store (select .cse19 .cse1) .cse2 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_71| .cse1) .cse2))) |v_#memory_$Pointer$.offset_BEFORE_CALL_71|) (= |c_#length| (store |v_#length_67| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384)) (= (store .cse20 .cse4 (store (select .cse20 .cse4) .cse5 (select (select |v_#memory_$Pointer$.offset_86| .cse4) .cse5))) |v_#memory_$Pointer$.offset_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse15 (store (select |v_#memory_$Pointer$.offset_86| .cse15) .cse16 (select (select |v_#memory_$Pointer$.offset_87| .cse15) .cse16))))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_34| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_34|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_34| 4294967296))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_33| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_33| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_33|))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_int_515| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_449| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_449| (Array Int (Array Int Int))) (|v_#valid_81| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_39| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#length_67| (Array Int Int)) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| (Array Int (Array Int Int)))) (let ((.cse30 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (select (select |v_#memory_$Pointer$.base_449| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ 16 (select (select |v_#memory_$Pointer$.offset_449| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse39 (store |v_#memory_$Pointer$.offset_449| .cse37 (store (select |v_#memory_$Pointer$.offset_449| .cse37) .cse38 8))) (.cse24 (store |v_#memory_$Pointer$.base_449| .cse37 (store (select |v_#memory_$Pointer$.base_449| .cse37) .cse38 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse36 (store |v_#memory_$Pointer$.offset_85| .cse30 (store (select |v_#memory_$Pointer$.offset_85| .cse30) .cse31 0))) (.cse21 (store |v_#memory_$Pointer$.base_87| .cse30 (store (select |v_#memory_$Pointer$.base_87| .cse30) .cse31 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse22 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (+ 40 (select (select .cse36 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse27 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse25 (select (select .cse24 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ 4 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse34 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_39| (store .cse21 .cse22 (store (select .cse21 .cse22) .cse23 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_39| .cse22) .cse23)))) (= (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_#memory_$Pointer$.base_85| .cse25) .cse26))) |v_#memory_$Pointer$.base_85|) (= (store |v_#memory_$Pointer$.offset_87| .cse27 (store (select |v_#memory_$Pointer$.offset_87| .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_85| .cse27) .cse28))) |v_#memory_$Pointer$.offset_85|) (= |v_#memory_int_96| (let ((.cse29 (let ((.cse32 (let ((.cse33 (store |v_#memory_int_97| .cse25 (store (select |v_#memory_int_97| .cse25) .cse26 32)))) (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 5))))) (store .cse32 .cse27 (store (select .cse32 .cse27) .cse28 8))))) (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 (select (select |v_#memory_int_96| .cse30) .cse31))))) (= (select |v_#valid_81| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|) 0) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| (store .cse36 .cse22 (store (select .cse36 .cse22) .cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| .cse22) .cse23)))) (= (store |v_#memory_$Pointer$.base_86| .cse27 (store (select |v_#memory_$Pointer$.base_86| .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_87| .cse27) .cse28))) |v_#memory_$Pointer$.base_87|) (= |v_#memory_int_97| (store |v_#memory_int_515| .cse37 (store (select |v_#memory_int_515| .cse37) .cse38 (select (select |v_#memory_int_97| .cse37) .cse38)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= |c_#valid| (store |v_#valid_81| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (store |v_#memory_$Pointer$.base_85| .cse34 (store (select |v_#memory_$Pointer$.base_85| .cse34) .cse35 (select (select |v_#memory_$Pointer$.base_86| .cse34) .cse35))) |v_#memory_$Pointer$.base_86|) (= |c_#length| (store |v_#length_67| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384)) (= (store .cse39 .cse25 (store (select .cse39 .cse25) .cse26 (select (select |v_#memory_$Pointer$.offset_86| .cse25) .cse26))) |v_#memory_$Pointer$.offset_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse34 (store (select |v_#memory_$Pointer$.offset_86| .cse34) .cse35 (select (select |v_#memory_$Pointer$.offset_87| .cse34) .cse35)))) (let ((.cse40 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_39| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_39| .cse40) .cse41) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_39| .cse40) .cse41) 0)))))))))))) is different from false [2023-12-02 15:12:44,156 WARN L293 SmtUtils]: Spent 15.07s on a formula simplification. DAG size of input: 175 DAG size of output: 162 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:12:46,218 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3686#(and (<= 1 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (exists ((|v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_39| Int)) (and (or (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_39|) 0) 0)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_39|) 4) 0))) (not (= |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_39| 0)))) (= ~count_int_int~0 1))' at error location [2023-12-02 15:12:46,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 15:12:46,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:12:46,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-12-02 15:12:46,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937772709] [2023-12-02 15:12:46,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 15:12:46,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 15:12:46,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:12:46,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 15:12:46,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1214, Unknown=30, NotChecked=146, Total=1560 [2023-12-02 15:12:46,222 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand has 12 states, 12 states have (on average 19.833333333333332) internal successors, (238), 12 states have internal predecessors, (238), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 15:12:48,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:50,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:52,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:54,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:56,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:12:58,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:00,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:02,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:04,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:06,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:08,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:10,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:12,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:14,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:16,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:18,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:20,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:22,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:24,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:26,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:28,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:30,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:32,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:34,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:36,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:38,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:40,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:42,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:44,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:46,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:48,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:50,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:52,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:54,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:56,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:13:58,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:00,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:02,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:04,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:06,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:09,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:11,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:13,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:15,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:17,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:19,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:21,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:23,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:25,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:27,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:29,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:31,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:33,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:35,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:37,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:39,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:41,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:43,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:45,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:47,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:49,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:51,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:53,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:55,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:57,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:14:59,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:01,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:03,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:05,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:07,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:09,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:11,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:13,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:15,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:17,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:19,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:21,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:23,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:25,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:27,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:29,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:31,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:33,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:35,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:37,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:39,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:41,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:43,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:45,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:47,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:49,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:51,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:53,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:55,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:57,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:15:59,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:01,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:03,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:05,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:07,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:09,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:11,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:13,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:15,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:17,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:19,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:21,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:23,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:25,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:16:29,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:16:32,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 15:16:35,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:16:35,432 INFO L93 Difference]: Finished difference Result 578 states and 701 transitions. [2023-12-02 15:16:35,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 15:16:35,433 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 19.833333333333332) internal successors, (238), 12 states have internal predecessors, (238), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 130 [2023-12-02 15:16:35,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:16:35,436 INFO L225 Difference]: With dead ends: 578 [2023-12-02 15:16:35,436 INFO L226 Difference]: Without dead ends: 550 [2023-12-02 15:16:35,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 346 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 72.2s TimeCoverageRelationStatistics Valid=170, Invalid=1214, Unknown=30, NotChecked=146, Total=1560 [2023-12-02 15:16:35,438 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 515 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 10 mSolverCounterUnsat, 110 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 228.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 110 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 229.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:16:35,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 602 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 185 Invalid, 110 Unknown, 0 Unchecked, 229.1s Time] [2023-12-02 15:16:35,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-12-02 15:16:35,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2023-12-02 15:16:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 507 states have (on average 1.1203155818540433) internal successors, (568), 516 states have internal predecessors, (568), 40 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (40), 31 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-02 15:16:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 648 transitions. [2023-12-02 15:16:35,479 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 648 transitions. Word has length 130 [2023-12-02 15:16:35,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:16:35,479 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 648 transitions. [2023-12-02 15:16:35,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.833333333333332) internal successors, (238), 12 states have internal predecessors, (238), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 15:16:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 648 transitions. [2023-12-02 15:16:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-12-02 15:16:35,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:16:35,486 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:16:35,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 15:16:35,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:16:35,687 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:16:35,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:16:35,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2053114140, now seen corresponding path program 2 times [2023-12-02 15:16:35,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:16:35,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459587110] [2023-12-02 15:16:35,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:16:35,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:16:36,035 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:16:36,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113917488] [2023-12-02 15:16:36,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 15:16:36,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:16:36,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:16:36,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:16:36,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e56b2d-188a-4e75-8116-e62ec267d2ca/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process