./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3f7842def3ffa55e8096756f751ff9953a1769b743d5a1524389a2dc0b8c63f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:21:02,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:21:02,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:21:02,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:21:02,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:21:02,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:21:02,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:21:02,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:21:02,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:21:02,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:21:02,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:21:02,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:21:02,222 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:21:02,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:21:02,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:21:02,224 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:21:02,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:21:02,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:21:02,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:21:02,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:21:02,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:21:02,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:21:02,228 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:21:02,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:21:02,229 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:21:02,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:21:02,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:21:02,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:21:02,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:02,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:21:02,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:21:02,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:21:02,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:21:02,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:21:02,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:21:02,235 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:21:02,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:21:02,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:21:02,236 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:21:02,236 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3f7842def3ffa55e8096756f751ff9953a1769b743d5a1524389a2dc0b8c63f [2023-11-12 02:21:02,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:21:02,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:21:02,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:21:02,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:21:02,557 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:21:02,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-92.i [2023-11-12 02:21:05,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:21:05,977 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:21:05,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-92.i [2023-11-12 02:21:05,988 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/data/b8422557c/94b67af9db4b42c1a7384109faf4db5d/FLAG9a693f3b2 [2023-11-12 02:21:06,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/data/b8422557c/94b67af9db4b42c1a7384109faf4db5d [2023-11-12 02:21:06,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:21:06,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:21:06,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:06,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:21:06,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:21:06,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10619f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06, skipping insertion in model container [2023-11-12 02:21:06,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:21:06,219 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_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-92.i[917,930] [2023-11-12 02:21:06,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:06,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:21:06,324 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_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-92.i[917,930] [2023-11-12 02:21:06,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:06,428 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:21:06,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06 WrapperNode [2023-11-12 02:21:06,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:06,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:06,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:21:06,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:21:06,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,520 INFO L138 Inliner]: procedures = 29, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 429 [2023-11-12 02:21:06,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:06,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:21:06,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:21:06,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:21:06,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:21:06,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:21:06,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:21:06,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:21:06,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:06,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:06,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:21:06,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:21:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:21:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-12 02:21:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:21:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-12 02:21:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:21:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-12 02:21:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:21:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:21:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:21:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:21:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:21:06,813 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:21:06,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:21:07,407 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:21:07,415 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:21:07,415 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:21:07,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:07 BoogieIcfgContainer [2023-11-12 02:21:07,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:21:07,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:21:07,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:21:07,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:21:07,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:21:06" (1/3) ... [2023-11-12 02:21:07,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a4a8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:07, skipping insertion in model container [2023-11-12 02:21:07,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (2/3) ... [2023-11-12 02:21:07,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a4a8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:07, skipping insertion in model container [2023-11-12 02:21:07,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:07" (3/3) ... [2023-11-12 02:21:07,426 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-92.i [2023-11-12 02:21:07,446 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:21:07,447 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:21:07,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:21:07,517 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=PETRI_NET, 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;@6b466ffa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:21:07,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:21:07,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 90 states have internal predecessors, (123), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:21:07,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 02:21:07,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:07,551 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:07,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:07,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:07,557 INFO L85 PathProgramCache]: Analyzing trace with hash 250668227, now seen corresponding path program 1 times [2023-11-12 02:21:07,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:07,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115529379] [2023-11-12 02:21:07,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:07,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:07,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:07,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115529379] [2023-11-12 02:21:07,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:21:07,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482946429] [2023-11-12 02:21:07,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:07,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:07,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:07,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:07,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:21:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:08,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:21:08,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-12 02:21:08,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:08,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482946429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:08,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:08,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:21:08,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831149219] [2023-11-12 02:21:08,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:08,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:21:08,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:08,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:21:08,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:21:08,272 INFO L87 Difference]: Start difference. First operand has 111 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 90 states have internal predecessors, (123), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:21:08,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:08,307 INFO L93 Difference]: Finished difference Result 215 states and 335 transitions. [2023-11-12 02:21:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:21:08,309 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-11-12 02:21:08,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:08,318 INFO L225 Difference]: With dead ends: 215 [2023-11-12 02:21:08,318 INFO L226 Difference]: Without dead ends: 107 [2023-11-12 02:21:08,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:21:08,326 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:08,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:21:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-12 02:21:08,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-11-12 02:21:08,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:21:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2023-11-12 02:21:08,376 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 153 [2023-11-12 02:21:08,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:08,377 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2023-11-12 02:21:08,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:21:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2023-11-12 02:21:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 02:21:08,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:08,382 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:08,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:08,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:08,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:08,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:08,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2058345439, now seen corresponding path program 1 times [2023-11-12 02:21:08,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:08,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932612272] [2023-11-12 02:21:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:08,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:08,766 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:08,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550813783] [2023-11-12 02:21:08,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:08,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:08,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:08,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:08,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:21:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:09,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:21:09,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:21:09,209 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:09,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:09,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932612272] [2023-11-12 02:21:09,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:21:09,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550813783] [2023-11-12 02:21:09,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550813783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:09,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:09,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:21:09,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806292340] [2023-11-12 02:21:09,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:09,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:21:09,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:09,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:21:09,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:21:09,222 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:21:09,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:09,287 INFO L93 Difference]: Finished difference Result 215 states and 310 transitions. [2023-11-12 02:21:09,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:21:09,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-11-12 02:21:09,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:09,291 INFO L225 Difference]: With dead ends: 215 [2023-11-12 02:21:09,291 INFO L226 Difference]: Without dead ends: 111 [2023-11-12 02:21:09,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:21:09,294 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 3 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:09,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 445 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:21:09,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-12 02:21:09,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2023-11-12 02:21:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:21:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2023-11-12 02:21:09,319 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 153 [2023-11-12 02:21:09,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:09,322 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2023-11-12 02:21:09,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:21:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2023-11-12 02:21:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 02:21:09,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:09,329 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:09,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:09,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:09,530 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:09,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:09,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2056498397, now seen corresponding path program 1 times [2023-11-12 02:21:09,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:09,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955997489] [2023-11-12 02:21:09,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:09,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:09,613 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:09,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411246164] [2023-11-12 02:21:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:09,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:09,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:09,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:09,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:21:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:09,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-12 02:21:09,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:12,364 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-12 02:21:12,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:12,704 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-12 02:21:13,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:13,082 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-12 02:21:13,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:13,140 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-12 02:21:13,163 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-12 02:21:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 1 proven. 307 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-12 02:21:13,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:21:13,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:13,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955997489] [2023-11-12 02:21:13,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:21:13,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411246164] [2023-11-12 02:21:13,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411246164] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:13,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:21:13,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-11-12 02:21:13,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846172019] [2023-11-12 02:21:13,333 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-12 02:21:13,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:21:13,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:13,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:21:13,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=154, Unknown=9, NotChecked=0, Total=210 [2023-11-12 02:21:13,335 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-12 02:21:14,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:14,287 INFO L93 Difference]: Finished difference Result 225 states and 318 transitions. [2023-11-12 02:21:14,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:21:14,288 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 153 [2023-11-12 02:21:14,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:14,291 INFO L225 Difference]: With dead ends: 225 [2023-11-12 02:21:14,291 INFO L226 Difference]: Without dead ends: 119 [2023-11-12 02:21:14,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=155, Invalid=436, Unknown=9, NotChecked=0, Total=600 [2023-11-12 02:21:14,294 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 204 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:14,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 532 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:21:14,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-12 02:21:14,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2023-11-12 02:21:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:21:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 158 transitions. [2023-11-12 02:21:14,319 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 158 transitions. Word has length 153 [2023-11-12 02:21:14,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:14,320 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 158 transitions. [2023-11-12 02:21:14,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-12 02:21:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 158 transitions. [2023-11-12 02:21:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 02:21:14,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:14,324 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:14,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:14,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:14,532 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:14,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:14,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1633796571, now seen corresponding path program 1 times [2023-11-12 02:21:14,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:14,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599607711] [2023-11-12 02:21:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:14,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:14,613 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:14,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429228873] [2023-11-12 02:21:14,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:14,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:14,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:14,615 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:14,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:21:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-12 02:21:14,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:20,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:20,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:20,424 INFO L322 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-12 02:21:20,426 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 28 [2023-11-12 02:21:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:20,623 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-12 02:21:20,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:20,795 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-12 02:21:20,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:20,861 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-12 02:21:20,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:20,950 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-12 02:21:21,050 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:21:21,051 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 40 [2023-11-12 02:21:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:21:21,300 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:21,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:21,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599607711] [2023-11-12 02:21:21,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:21:21,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429228873] [2023-11-12 02:21:21,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429228873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:21,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:21,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 02:21:21,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534397461] [2023-11-12 02:21:21,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:21,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:21:21,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:21,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:21:21,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:21:21,308 INFO L87 Difference]: Start difference. First operand 113 states and 158 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:21:22,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:22,367 INFO L93 Difference]: Finished difference Result 303 states and 427 transitions. [2023-11-12 02:21:22,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:21:22,372 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-11-12 02:21:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:22,374 INFO L225 Difference]: With dead ends: 303 [2023-11-12 02:21:22,374 INFO L226 Difference]: Without dead ends: 193 [2023-11-12 02:21:22,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-11-12 02:21:22,376 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 460 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:22,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 546 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 02:21:22,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-12 02:21:22,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 128. [2023-11-12 02:21:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 106 states have (on average 1.330188679245283) internal successors, (141), 106 states have internal predecessors, (141), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:21:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2023-11-12 02:21:22,418 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 153 [2023-11-12 02:21:22,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:22,420 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2023-11-12 02:21:22,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:21:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2023-11-12 02:21:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 02:21:22,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:22,428 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:22,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:22,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:22,636 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:22,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:22,637 INFO L85 PathProgramCache]: Analyzing trace with hash -353932893, now seen corresponding path program 1 times [2023-11-12 02:21:22,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:22,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323094562] [2023-11-12 02:21:22,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:22,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:22,732 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:22,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [823502699] [2023-11-12 02:21:22,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:22,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:22,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:22,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:22,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:21:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:23,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-12 02:21:23,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:27,197 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-12 02:21:28,469 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-12 02:21:29,861 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 27 [2023-11-12 02:21:31,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:31,100 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 31 [2023-11-12 02:21:32,725 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 90 [2023-11-12 02:21:33,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:33,215 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 104 [2023-11-12 02:21:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:33,979 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 109 [2023-11-12 02:21:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:34,227 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 109 [2023-11-12 02:21:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:21:34,468 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 109 [2023-11-12 02:21:34,955 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 76 [2023-11-12 02:21:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 208 proven. 270 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-11-12 02:21:35,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:21:35,539 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_622 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse1 (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)) (.cse0 (mod (+ (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* 255 (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (= .cse0 (+ .cse1 256)) (= .cse1 .cse0))))) (forall ((v_ArrVal_622 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse3 (mod (+ (select (select .cse4 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* 255 (select (select .cse4 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse4 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (= .cse3 (+ (select (select .cse4 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset) 256)) (< .cse3 128))))) (forall ((v_ArrVal_622 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse5 (mod (+ (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* 255 (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (< 127 .cse5) (= (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset) .cse5)))))) is different from false [2023-11-12 02:21:35,606 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int))) (let ((.cse1 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse0 (mod (+ (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset) 255) (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (= .cse0 (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)) (< 127 .cse0))))) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse2 (mod (+ (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset) 255) (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (= .cse2 (+ 256 (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset))) (< .cse2 128))))) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int))) (let ((.cse6 (store (store |c_#memory_int| c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse4 (mod (+ (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset) 255) (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256)) (.cse5 (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset))) (or (= .cse4 .cse5) (= .cse4 (+ 256 .cse5))))))) is different from false [2023-11-12 02:21:35,684 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse1 (store (store (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse0 (mod (+ (* 255 (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (< 127 .cse0) (= (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset) .cse0))))) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse4 (store (store (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse3 (select (select .cse4 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)) (.cse2 (mod (+ (* 255 (select (select .cse4 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse4 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (select (select .cse4 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (= .cse2 (+ 256 .cse3)) (= .cse3 .cse2))))) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse6 (store (store (store |c_#memory_int| c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse5 (mod (+ (* 255 (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (= .cse5 (+ 256 (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset))) (< .cse5 128)))))) is different from false [2023-11-12 02:21:36,334 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse2 (store (store (store .cse3 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse0 (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)) (.cse1 (mod (+ (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset) 255)) 256))) (or (= (+ .cse0 256) .cse1) (= .cse0 .cse1))))) (< (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0)))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (< (select (select .cse4 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse6 (store (store (store .cse4 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse5 (mod (+ (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset) 255)) 256))) (or (< 127 .cse5) (= (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset) .cse5)))))))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse7 (store |c_#memory_int| c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (< (select (select .cse7 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse8 (store (store (store .cse7 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse9 (mod (+ (select (select .cse8 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (select (select .cse8 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* (select (select .cse8 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset) 255)) 256))) (or (= (+ (select (select .cse8 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset) 256) .cse9) (< .cse9 128))))))))) is different from false [2023-11-12 02:21:36,761 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse11 (select |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base)) (.cse12 (mod (+ |c_ULTIMATE.start_step_#t~mem5#1| (* |c_ULTIMATE.start_step_#t~ite12#1| 255) |c_ULTIMATE.start_step_#t~mem4#1|) 256))) (and (or (let ((.cse4 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base (store .cse11 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset (+ .cse12 (- 256)))))) (and (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse0 (store .cse4 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (< (select (select .cse0 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse3 (store (store (store .cse0 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse2 (mod (+ (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* 255 (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256)) (.cse1 (select (select .cse3 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset))) (or (= (+ 256 .cse1) .cse2) (= .cse2 .cse1)))))))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse7 (store .cse4 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse6 (store (store (store .cse7 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse5 (mod (+ (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* 255 (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (< 127 .cse5) (= .cse5 (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)))))) (< (select (select .cse7 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0)))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse10 (store .cse4 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse9 (store (store (store .cse10 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse8 (mod (+ (select (select .cse9 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* 255 (select (select .cse9 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse9 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (< .cse8 128) (= (+ 256 (select (select .cse9 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)) .cse8))))) (< (select (select .cse10 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0)))))) (< .cse12 128)) (or (< 127 .cse12) (let ((.cse16 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base (store .cse11 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset .cse12)))) (and (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse13 (store .cse16 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (< (select (select .cse13 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse14 (store (store (store .cse13 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse15 (mod (+ (select (select .cse14 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (* 255 (select (select .cse14 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse14 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset)) 256))) (or (= (select (select .cse14 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset) .cse15) (< 127 .cse15)))))))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse19 (store .cse16 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse18 (store (store (store .cse19 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse17 (mod (+ (select (select .cse18 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (* 255 (select (select .cse18 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse18 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset)) 256))) (or (< .cse17 128) (= (+ 256 (select (select .cse18 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)) .cse17))))) (< (select (select .cse19 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0)))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse20 (store .cse16 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (< (select (select .cse20 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse23 (store (store (store .cse20 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse21 (select (select .cse23 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)) (.cse22 (mod (+ (select (select .cse23 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (* 255 (select (select .cse23 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse23 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset)) 256))) (or (= .cse21 .cse22) (= (+ 256 .cse21) .cse22))))))))))))) is different from false [2023-11-12 02:21:37,077 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse11 (select |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base)) (.cse12 (mod (+ |c_ULTIMATE.start_step_#t~mem5#1| (* 255 (select (select |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) |c_ULTIMATE.start_step_#t~mem4#1|) 256))) (and (or (let ((.cse3 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base (store .cse11 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset (+ (- 256) .cse12))))) (and (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse2 (store .cse3 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse1 (store (store (store .cse2 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse0 (mod (+ (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* 255 (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (< 127 .cse0) (= .cse0 (select (select .cse1 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)))))) (< (select (select .cse2 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0)))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse6 (store .cse3 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse5 (store (store (store .cse6 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse4 (mod (+ (select (select .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* 255 (select (select .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256))) (or (< .cse4 128) (= .cse4 (+ 256 (select (select .cse5 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset))))))) (< (select (select .cse6 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0)))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse10 (store .cse3 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse9 (store (store (store .cse10 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse7 (mod (+ (select (select .cse9 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (* 255 (select (select .cse9 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset)) (select (select .cse9 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) 256)) (.cse8 (select (select .cse9 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset))) (or (= .cse7 .cse8) (= .cse7 (+ 256 .cse8)))))) (< (select (select .cse10 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0)))))) (< .cse12 128)) (or (let ((.cse16 (store |c_#memory_int| c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base (store .cse11 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset .cse12)))) (and (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse13 (store .cse16 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (< (select (select .cse13 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse15 (store (store (store .cse13 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse14 (mod (+ (select (select .cse15 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (select (select .cse15 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (* 255 (select (select .cse15 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset))) 256))) (or (< .cse14 128) (= (+ 256 (select (select .cse15 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)) .cse14)))))))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse17 (store .cse16 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (< (select (select .cse17 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse20 (store (store (store .cse17 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse19 (mod (+ (select (select .cse20 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (select (select .cse20 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (* 255 (select (select .cse20 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset))) 256)) (.cse18 (select (select .cse20 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset))) (or (= (+ 256 .cse18) .cse19) (= .cse19 .cse18)))))))) (forall ((v_ArrVal_619 (Array Int Int))) (let ((.cse21 (store .cse16 c_~double_Array_0_arraydouble_Array_0arrayVar2_Pointer~0.base v_ArrVal_619))) (or (< (select (select .cse21 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) 0) (forall ((v_ArrVal_622 (Array Int Int)) (v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse23 (store (store (store .cse21 c_~signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer~0.base v_ArrVal_620) c_~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base v_ArrVal_621) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base v_ArrVal_622))) (let ((.cse22 (mod (+ (select (select .cse23 c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0.offset) (select (select .cse23 c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (* 255 (select (select .cse23 c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0.offset))) 256))) (or (= .cse22 (select (select .cse23 c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.base) c_~signed_char_Array_0_arraysigned_char_Array_0Var5_Pointer~0.offset)) (< 127 .cse22)))))))))) (< 127 .cse12)))) is different from false [2023-11-12 02:21:38,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:38,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323094562] [2023-11-12 02:21:38,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:21:38,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823502699] [2023-11-12 02:21:38,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823502699] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:38,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:21:38,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2023-11-12 02:21:38,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920122178] [2023-11-12 02:21:38,660 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-12 02:21:38,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-12 02:21:38,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:38,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-12 02:21:38,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1392, Unknown=7, NotChecked=486, Total=2070 [2023-11-12 02:21:38,664 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand has 34 states, 30 states have (on average 2.6333333333333333) internal successors, (79), 28 states have internal predecessors, (79), 7 states have call successors, (19), 6 states have call predecessors, (19), 7 states have return successors, (19), 6 states have call predecessors, (19), 7 states have call successors, (19) [2023-11-12 02:21:44,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:44,774 INFO L93 Difference]: Finished difference Result 347 states and 473 transitions. [2023-11-12 02:21:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-12 02:21:44,775 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 30 states have (on average 2.6333333333333333) internal successors, (79), 28 states have internal predecessors, (79), 7 states have call successors, (19), 6 states have call predecessors, (19), 7 states have return successors, (19), 6 states have call predecessors, (19), 7 states have call successors, (19) Word has length 153 [2023-11-12 02:21:44,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:44,778 INFO L225 Difference]: With dead ends: 347 [2023-11-12 02:21:44,778 INFO L226 Difference]: Without dead ends: 222 [2023-11-12 02:21:44,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1039 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=583, Invalid=3594, Unknown=7, NotChecked=786, Total=4970 [2023-11-12 02:21:44,782 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 632 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 1612 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:44,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 1612 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-12 02:21:44,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-12 02:21:44,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 146. [2023-11-12 02:21:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 120 states have internal predecessors, (155), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:21:44,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 193 transitions. [2023-11-12 02:21:44,808 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 193 transitions. Word has length 153 [2023-11-12 02:21:44,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:44,809 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 193 transitions. [2023-11-12 02:21:44,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 30 states have (on average 2.6333333333333333) internal successors, (79), 28 states have internal predecessors, (79), 7 states have call successors, (19), 6 states have call predecessors, (19), 7 states have return successors, (19), 6 states have call predecessors, (19), 7 states have call successors, (19) [2023-11-12 02:21:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 193 transitions. [2023-11-12 02:21:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 02:21:44,812 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:44,812 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:44,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:45,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:45,022 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:45,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:45,022 INFO L85 PathProgramCache]: Analyzing trace with hash 289431463, now seen corresponding path program 1 times [2023-11-12 02:21:45,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:45,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909003038] [2023-11-12 02:21:45,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:45,094 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:45,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1483936817] [2023-11-12 02:21:45,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:45,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:45,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:45,096 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:45,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f19f7d-cdb3-4812-9998-a5d2ed37833d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:21:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:45,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 156 conjunts are in the unsatisfiable core [2023-11-12 02:21:45,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:49,681 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-12 02:21:51,309 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-12 02:21:53,425 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 27