./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:00:49,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:00:49,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:00:49,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:00:49,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:00:49,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:00:49,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:00:49,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:00:49,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:00:49,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:00:49,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:00:49,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:00:49,537 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:00:49,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:00:49,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:00:49,540 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:00:49,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:00:49,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:00:49,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:00:49,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:00:49,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:00:49,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:00:49,544 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:00:49,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:00:49,545 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:00:49,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:00:49,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:00:49,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:00:49,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:00:49,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:00:49,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:00:49,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:00:49,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:00:49,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:00:49,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:00:49,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:00:49,551 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:00:49,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:00:49,551 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:00:49,552 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 [2023-11-06 23:00:49,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:00:49,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:00:49,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:00:49,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:00:49,936 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:00:49,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-06 23:00:53,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:00:53,656 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:00:53,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2023-11-06 23:00:53,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/data/05b9cc9b4/b63194f0b70c4117bf854417fd8a2000/FLAG614bdb71a [2023-11-06 23:00:53,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/data/05b9cc9b4/b63194f0b70c4117bf854417fd8a2000 [2023-11-06 23:00:53,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:00:53,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:00:53,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:00:53,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:00:53,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:00:53,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:53" (1/1) ... [2023-11-06 23:00:53,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eaf2f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:53, skipping insertion in model container [2023-11-06 23:00:53,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:53" (1/1) ... [2023-11-06 23:00:53,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:00:54,509 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44118,44131] [2023-11-06 23:00:54,523 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44660,44673] [2023-11-06 23:00:54,644 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56247,56260] [2023-11-06 23:00:54,646 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56368,56381] [2023-11-06 23:00:54,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:00:54,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:00:54,751 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44118,44131] [2023-11-06 23:00:54,760 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44660,44673] [2023-11-06 23:00:54,888 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56247,56260] [2023-11-06 23:00:54,889 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_57f0afab-7010-49f6-bc55-d9d39c56e3b7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56368,56381] [2023-11-06 23:00:54,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:00:54,985 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:00:54,993 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:00:54,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54 WrapperNode [2023-11-06 23:00:54,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:00:54,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:00:54,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:00:54,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:00:55,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,259 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-11-06 23:00:55,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:00:55,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:00:55,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:00:55,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:00:55,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:00:55,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:00:55,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:00:55,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:00:55,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (1/1) ... [2023-11-06 23:00:55,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:00:55,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:55,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:55,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:00:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:00:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 23:00:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:00:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:00:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-06 23:00:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-06 23:00:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:00:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 23:00:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 23:00:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:00:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:00:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:00:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-06 23:00:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-06 23:00:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:00:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-06 23:00:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-06 23:00:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:00:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:00:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:00:55,730 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:00:55,732 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:00:57,478 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:00:57,500 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:00:57,501 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-06 23:00:57,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:00:57 BoogieIcfgContainer [2023-11-06 23:00:57,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:00:57,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:00:57,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:00:57,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:00:57,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:00:53" (1/3) ... [2023-11-06 23:00:57,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38024c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:00:57, skipping insertion in model container [2023-11-06 23:00:57,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:54" (2/3) ... [2023-11-06 23:00:57,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38024c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:00:57, skipping insertion in model container [2023-11-06 23:00:57,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:00:57" (3/3) ... [2023-11-06 23:00:57,515 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-1.i [2023-11-06 23:00:57,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:00:57,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 23:00:57,619 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:00:57,629 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=LoopsAndPotentialCycles, 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;@4c080efa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:00:57,629 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 23:00:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 371 states have (on average 1.6657681940700808) internal successors, (618), 375 states have internal predecessors, (618), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 23:00:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 23:00:57,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:57,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:57,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:00:57,656 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:57,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1053908008, now seen corresponding path program 1 times [2023-11-06 23:00:57,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:57,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299583670] [2023-11-06 23:00:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:57,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:00:57,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:57,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299583670] [2023-11-06 23:00:57,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299583670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:57,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:57,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:00:57,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175041621] [2023-11-06 23:00:57,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:57,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:00:57,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:58,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:00:58,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:00:58,010 INFO L87 Difference]: Start difference. First operand has 393 states, 371 states have (on average 1.6657681940700808) internal successors, (618), 375 states have internal predecessors, (618), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:00:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:58,082 INFO L93 Difference]: Finished difference Result 781 states and 1296 transitions. [2023-11-06 23:00:58,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:00:58,088 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 23:00:58,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:58,107 INFO L225 Difference]: With dead ends: 781 [2023-11-06 23:00:58,108 INFO L226 Difference]: Without dead ends: 386 [2023-11-06 23:00:58,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:00:58,123 INFO L413 NwaCegarLoop]: 571 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, 571 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 [2023-11-06 23:00:58,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:00:58,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2023-11-06 23:00:58,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2023-11-06 23:00:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 365 states have (on average 1.484931506849315) internal successors, (542), 370 states have internal predecessors, (542), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:00:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 567 transitions. [2023-11-06 23:00:58,205 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 567 transitions. Word has length 8 [2023-11-06 23:00:58,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:58,205 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 567 transitions. [2023-11-06 23:00:58,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:00:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 567 transitions. [2023-11-06 23:00:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 23:00:58,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:58,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:58,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:00:58,211 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:00:58,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:58,212 INFO L85 PathProgramCache]: Analyzing trace with hash -719765386, now seen corresponding path program 1 times [2023-11-06 23:00:58,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:58,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365135715] [2023-11-06 23:00:58,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:58,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:00:58,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:58,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365135715] [2023-11-06 23:00:58,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365135715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:58,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:58,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:00:58,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792721283] [2023-11-06 23:00:58,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:58,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:00:58,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:58,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:00:58,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:00:58,496 INFO L87 Difference]: Start difference. First operand 386 states and 567 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:00:59,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:59,088 INFO L93 Difference]: Finished difference Result 861 states and 1284 transitions. [2023-11-06 23:00:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:00:59,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-06 23:00:59,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:59,095 INFO L225 Difference]: With dead ends: 861 [2023-11-06 23:00:59,096 INFO L226 Difference]: Without dead ends: 669 [2023-11-06 23:00:59,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:00:59,098 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 420 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:00:59,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1566 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:00:59,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2023-11-06 23:00:59,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 388. [2023-11-06 23:00:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 367 states have (on average 1.4822888283378746) internal successors, (544), 372 states have internal predecessors, (544), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:00:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 569 transitions. [2023-11-06 23:00:59,150 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 569 transitions. Word has length 10 [2023-11-06 23:00:59,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:59,151 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 569 transitions. [2023-11-06 23:00:59,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:00:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 569 transitions. [2023-11-06 23:00:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 23:00:59,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:59,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:59,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:00:59,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:00:59,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash 669380872, now seen corresponding path program 1 times [2023-11-06 23:00:59,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:59,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917770460] [2023-11-06 23:00:59,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:59,203 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:00:59,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [356468713] [2023-11-06 23:00:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:59,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:59,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:59,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:59,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:00:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:59,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:00:59,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:00:59,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:59,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:59,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917770460] [2023-11-06 23:00:59,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:00:59,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356468713] [2023-11-06 23:00:59,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356468713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:59,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:59,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:00:59,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428484328] [2023-11-06 23:00:59,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:59,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:00:59,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:59,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:00:59,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:00:59,692 INFO L87 Difference]: Start difference. First operand 388 states and 569 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:00:59,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:59,811 INFO L93 Difference]: Finished difference Result 793 states and 1165 transitions. [2023-11-06 23:00:59,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:00:59,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-06 23:00:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:59,817 INFO L225 Difference]: With dead ends: 793 [2023-11-06 23:00:59,817 INFO L226 Difference]: Without dead ends: 409 [2023-11-06 23:00:59,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:00:59,820 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 9 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:00:59,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1079 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:00:59,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2023-11-06 23:00:59,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 408. [2023-11-06 23:00:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 387 states have (on average 1.4573643410852712) internal successors, (564), 392 states have internal predecessors, (564), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:00:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 589 transitions. [2023-11-06 23:00:59,846 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 589 transitions. Word has length 66 [2023-11-06 23:00:59,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:59,847 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 589 transitions. [2023-11-06 23:00:59,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:00:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 589 transitions. [2023-11-06 23:00:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 23:00:59,851 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:59,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:59,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 23:01:00,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:00,059 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:00,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:00,060 INFO L85 PathProgramCache]: Analyzing trace with hash 421234378, now seen corresponding path program 1 times [2023-11-06 23:01:00,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:00,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714498771] [2023-11-06 23:01:00,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:00,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:00,123 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:00,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [863415283] [2023-11-06 23:01:00,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:00,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:00,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:00,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:00,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:01:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:00,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:01:00,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:00,455 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:00,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:00,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714498771] [2023-11-06 23:01:00,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:00,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863415283] [2023-11-06 23:01:00,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863415283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:00,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:00,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:01:00,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428690893] [2023-11-06 23:01:00,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:00,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:01:00,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:00,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:01:00,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:00,460 INFO L87 Difference]: Start difference. First operand 408 states and 589 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:00,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:00,582 INFO L93 Difference]: Finished difference Result 799 states and 1161 transitions. [2023-11-06 23:01:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:01:00,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-06 23:01:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:00,586 INFO L225 Difference]: With dead ends: 799 [2023-11-06 23:01:00,586 INFO L226 Difference]: Without dead ends: 395 [2023-11-06 23:01:00,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:01:00,591 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 165 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:00,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1466 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:01:00,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-11-06 23:01:00,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 394. [2023-11-06 23:01:00,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 373 states have (on average 1.4557640750670242) internal successors, (543), 378 states have internal predecessors, (543), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:01:00,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 568 transitions. [2023-11-06 23:01:00,612 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 568 transitions. Word has length 66 [2023-11-06 23:01:00,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:00,613 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 568 transitions. [2023-11-06 23:01:00,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:00,613 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 568 transitions. [2023-11-06 23:01:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 23:01:00,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:00,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:00,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 23:01:00,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:00,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:00,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:00,830 INFO L85 PathProgramCache]: Analyzing trace with hash 125739260, now seen corresponding path program 1 times [2023-11-06 23:01:00,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:00,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687388258] [2023-11-06 23:01:00,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:00,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:00,878 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:00,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [864644240] [2023-11-06 23:01:00,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:00,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:00,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:00,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:00,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:01:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:01,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:01:01,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:01,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:01,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:01,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687388258] [2023-11-06 23:01:01,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:01,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864644240] [2023-11-06 23:01:01,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864644240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:01,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:01,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:01:01,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628886656] [2023-11-06 23:01:01,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:01,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:01:01,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:01,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:01:01,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:01:01,320 INFO L87 Difference]: Start difference. First operand 394 states and 568 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:02,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:02,051 INFO L93 Difference]: Finished difference Result 833 states and 1198 transitions. [2023-11-06 23:01:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:01:02,052 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-06 23:01:02,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:02,056 INFO L225 Difference]: With dead ends: 833 [2023-11-06 23:01:02,056 INFO L226 Difference]: Without dead ends: 443 [2023-11-06 23:01:02,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:01:02,058 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 23 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:02,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3264 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 23:01:02,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-11-06 23:01:02,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 434. [2023-11-06 23:01:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 413 states have (on average 1.430992736077482) internal successors, (591), 418 states have internal predecessors, (591), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:01:02,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 616 transitions. [2023-11-06 23:01:02,078 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 616 transitions. Word has length 66 [2023-11-06 23:01:02,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:02,078 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 616 transitions. [2023-11-06 23:01:02,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:02,079 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 616 transitions. [2023-11-06 23:01:02,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 23:01:02,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:02,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:02,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 23:01:02,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:02,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:02,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:02,288 INFO L85 PathProgramCache]: Analyzing trace with hash 2132253304, now seen corresponding path program 1 times [2023-11-06 23:01:02,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:02,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374332299] [2023-11-06 23:01:02,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:02,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:02,332 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:02,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665144676] [2023-11-06 23:01:02,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:02,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:02,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:02,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:02,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:01:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:02,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:01:02,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:02,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:02,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:02,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374332299] [2023-11-06 23:01:02,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:02,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665144676] [2023-11-06 23:01:02,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665144676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:02,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:02,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:01:02,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680992407] [2023-11-06 23:01:02,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:02,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:01:02,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:02,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:01:02,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:01:02,994 INFO L87 Difference]: Start difference. First operand 434 states and 616 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:03,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:03,648 INFO L93 Difference]: Finished difference Result 882 states and 1256 transitions. [2023-11-06 23:01:03,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:01:03,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-06 23:01:03,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:03,652 INFO L225 Difference]: With dead ends: 882 [2023-11-06 23:01:03,652 INFO L226 Difference]: Without dead ends: 452 [2023-11-06 23:01:03,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:01:03,654 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 47 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:03,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 2788 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:01:03,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2023-11-06 23:01:03,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 444. [2023-11-06 23:01:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 423 states have (on average 1.4349881796690307) internal successors, (607), 428 states have internal predecessors, (607), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:01:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 632 transitions. [2023-11-06 23:01:03,674 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 632 transitions. Word has length 67 [2023-11-06 23:01:03,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:03,674 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 632 transitions. [2023-11-06 23:01:03,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 632 transitions. [2023-11-06 23:01:03,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 23:01:03,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:03,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:03,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:03,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 23:01:03,884 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:03,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:03,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1157269209, now seen corresponding path program 1 times [2023-11-06 23:01:03,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:03,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165800309] [2023-11-06 23:01:03,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:03,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:03,917 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:03,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932069548] [2023-11-06 23:01:03,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:03,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:03,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:03,919 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:03,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:01:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:04,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 23:01:04,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:05,035 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:05,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:05,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165800309] [2023-11-06 23:01:05,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:05,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932069548] [2023-11-06 23:01:05,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932069548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:05,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:05,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:01:05,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102746686] [2023-11-06 23:01:05,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:05,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:01:05,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:05,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:01:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:01:05,039 INFO L87 Difference]: Start difference. First operand 444 states and 632 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:05,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:05,769 INFO L93 Difference]: Finished difference Result 457 states and 645 transitions. [2023-11-06 23:01:05,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:01:05,770 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-06 23:01:05,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:05,774 INFO L225 Difference]: With dead ends: 457 [2023-11-06 23:01:05,774 INFO L226 Difference]: Without dead ends: 455 [2023-11-06 23:01:05,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:01:05,775 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 1027 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:05,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 2678 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 23:01:05,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2023-11-06 23:01:05,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 454. [2023-11-06 23:01:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 430 states have (on average 1.430232558139535) internal successors, (615), 436 states have internal predecessors, (615), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 23:01:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 642 transitions. [2023-11-06 23:01:05,800 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 642 transitions. Word has length 68 [2023-11-06 23:01:05,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:05,801 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 642 transitions. [2023-11-06 23:01:05,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 642 transitions. [2023-11-06 23:01:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 23:01:05,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:05,803 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:05,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:06,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 23:01:06,017 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:06,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:06,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1358139019, now seen corresponding path program 1 times [2023-11-06 23:01:06,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:06,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971937125] [2023-11-06 23:01:06,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:06,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:06,059 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:06,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733403954] [2023-11-06 23:01:06,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:06,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:06,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:06,061 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:06,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:01:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:06,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:01:06,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:06,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:01:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:06,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:06,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971937125] [2023-11-06 23:01:06,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:06,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733403954] [2023-11-06 23:01:06,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733403954] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:01:06,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:01:06,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2023-11-06 23:01:06,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688825686] [2023-11-06 23:01:06,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:06,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:01:06,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:06,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:01:06,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:01:06,784 INFO L87 Difference]: Start difference. First operand 454 states and 642 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:01:07,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:07,071 INFO L93 Difference]: Finished difference Result 1911 states and 2739 transitions. [2023-11-06 23:01:07,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:01:07,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2023-11-06 23:01:07,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:07,084 INFO L225 Difference]: With dead ends: 1911 [2023-11-06 23:01:07,084 INFO L226 Difference]: Without dead ends: 1461 [2023-11-06 23:01:07,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:01:07,087 INFO L413 NwaCegarLoop]: 1511 mSDtfsCounter, 2081 mSDsluCounter, 1752 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:07,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 3263 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:01:07,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2023-11-06 23:01:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1244. [2023-11-06 23:01:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1203 states have (on average 1.4455527847049043) internal successors, (1739), 1211 states have internal predecessors, (1739), 25 states have call successors, (25), 12 states have call predecessors, (25), 12 states have return successors, (25), 20 states have call predecessors, (25), 23 states have call successors, (25) [2023-11-06 23:01:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1789 transitions. [2023-11-06 23:01:07,155 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1789 transitions. Word has length 83 [2023-11-06 23:01:07,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:07,155 INFO L495 AbstractCegarLoop]: Abstraction has 1244 states and 1789 transitions. [2023-11-06 23:01:07,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:01:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1789 transitions. [2023-11-06 23:01:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 23:01:07,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:07,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:07,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:07,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:07,365 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:07,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash -582271386, now seen corresponding path program 1 times [2023-11-06 23:01:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:07,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242735684] [2023-11-06 23:01:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:07,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:07,419 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:07,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [810877561] [2023-11-06 23:01:07,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:07,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:07,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:07,425 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:07,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:01:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:07,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:01:07,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:07,842 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:07,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:07,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242735684] [2023-11-06 23:01:07,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:07,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810877561] [2023-11-06 23:01:07,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810877561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:07,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:07,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:01:07,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17219153] [2023-11-06 23:01:07,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:07,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:01:07,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:07,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:01:07,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:07,846 INFO L87 Difference]: Start difference. First operand 1244 states and 1789 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:07,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:07,933 INFO L93 Difference]: Finished difference Result 2487 states and 3580 transitions. [2023-11-06 23:01:07,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:01:07,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 23:01:07,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:07,945 INFO L225 Difference]: With dead ends: 2487 [2023-11-06 23:01:07,945 INFO L226 Difference]: Without dead ends: 1247 [2023-11-06 23:01:07,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:07,949 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 0 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:07,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1113 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:01:07,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2023-11-06 23:01:08,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1247. [2023-11-06 23:01:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1206 states have (on average 1.4444444444444444) internal successors, (1742), 1214 states have internal predecessors, (1742), 25 states have call successors, (25), 12 states have call predecessors, (25), 12 states have return successors, (25), 20 states have call predecessors, (25), 23 states have call successors, (25) [2023-11-06 23:01:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1792 transitions. [2023-11-06 23:01:08,037 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1792 transitions. Word has length 81 [2023-11-06 23:01:08,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:08,038 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1792 transitions. [2023-11-06 23:01:08,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1792 transitions. [2023-11-06 23:01:08,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 23:01:08,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:08,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:08,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:08,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:08,249 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:08,250 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:08,251 INFO L85 PathProgramCache]: Analyzing trace with hash -189244376, now seen corresponding path program 1 times [2023-11-06 23:01:08,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:08,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965239992] [2023-11-06 23:01:08,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:08,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:08,309 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:08,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1710054434] [2023-11-06 23:01:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:08,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:08,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:08,311 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:08,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 23:01:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:08,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:01:08,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:08,913 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:08,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:08,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965239992] [2023-11-06 23:01:08,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:08,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710054434] [2023-11-06 23:01:08,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710054434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:08,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:08,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:01:08,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024326075] [2023-11-06 23:01:08,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:08,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:01:08,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:08,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:01:08,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:08,917 INFO L87 Difference]: Start difference. First operand 1247 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:09,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:09,137 INFO L93 Difference]: Finished difference Result 2876 states and 4189 transitions. [2023-11-06 23:01:09,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:01:09,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 23:01:09,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:09,152 INFO L225 Difference]: With dead ends: 2876 [2023-11-06 23:01:09,152 INFO L226 Difference]: Without dead ends: 1633 [2023-11-06 23:01:09,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:09,155 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 347 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:09,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1261 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:01:09,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2023-11-06 23:01:09,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1284. [2023-11-06 23:01:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 1255 states have (on average 1.4637450199203188) internal successors, (1837), 1261 states have internal predecessors, (1837), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 23:01:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1869 transitions. [2023-11-06 23:01:09,222 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1869 transitions. Word has length 81 [2023-11-06 23:01:09,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:09,222 INFO L495 AbstractCegarLoop]: Abstraction has 1284 states and 1869 transitions. [2023-11-06 23:01:09,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1869 transitions. [2023-11-06 23:01:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-06 23:01:09,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:09,224 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:09,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:09,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 23:01:09,431 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:09,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:09,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1992988458, now seen corresponding path program 1 times [2023-11-06 23:01:09,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:09,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023381611] [2023-11-06 23:01:09,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:09,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:09,486 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:09,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1499442603] [2023-11-06 23:01:09,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:09,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:09,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:09,488 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:09,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 23:01:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:09,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:01:09,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:09,941 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 11 treesize of output 7 [2023-11-06 23:01:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 23:01:09,957 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:09,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:09,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023381611] [2023-11-06 23:01:09,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:09,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499442603] [2023-11-06 23:01:09,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499442603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:09,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:09,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:01:09,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027495491] [2023-11-06 23:01:09,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:09,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:01:09,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:01:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:09,961 INFO L87 Difference]: Start difference. First operand 1284 states and 1869 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 23:01:10,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:10,384 INFO L93 Difference]: Finished difference Result 1633 states and 2399 transitions. [2023-11-06 23:01:10,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:01:10,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 119 [2023-11-06 23:01:10,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:10,396 INFO L225 Difference]: With dead ends: 1633 [2023-11-06 23:01:10,397 INFO L226 Difference]: Without dead ends: 1620 [2023-11-06 23:01:10,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:01:10,399 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 408 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:10,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1559 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:01:10,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2023-11-06 23:01:10,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1288. [2023-11-06 23:01:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1259 states have (on average 1.4622716441620334) internal successors, (1841), 1265 states have internal predecessors, (1841), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 23:01:10,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1873 transitions. [2023-11-06 23:01:10,468 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1873 transitions. Word has length 119 [2023-11-06 23:01:10,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:10,469 INFO L495 AbstractCegarLoop]: Abstraction has 1288 states and 1873 transitions. [2023-11-06 23:01:10,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 23:01:10,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1873 transitions. [2023-11-06 23:01:10,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-06 23:01:10,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:10,473 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:10,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:10,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:10,681 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:10,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:10,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1547361620, now seen corresponding path program 1 times [2023-11-06 23:01:10,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:10,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171809119] [2023-11-06 23:01:10,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:10,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:10,760 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:10,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582973763] [2023-11-06 23:01:10,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:10,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:10,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:10,762 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:10,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 23:01:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:11,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 23:01:11,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-06 23:01:11,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:11,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:11,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171809119] [2023-11-06 23:01:11,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:11,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582973763] [2023-11-06 23:01:11,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582973763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:11,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:11,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:01:11,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475571046] [2023-11-06 23:01:11,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:11,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:01:11,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:11,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:01:11,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:01:11,425 INFO L87 Difference]: Start difference. First operand 1288 states and 1873 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 23:01:11,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:11,593 INFO L93 Difference]: Finished difference Result 2385 states and 3479 transitions. [2023-11-06 23:01:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:01:11,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 130 [2023-11-06 23:01:11,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:11,602 INFO L225 Difference]: With dead ends: 2385 [2023-11-06 23:01:11,602 INFO L226 Difference]: Without dead ends: 1288 [2023-11-06 23:01:11,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:01:11,605 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 128 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:11,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 2124 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:01:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2023-11-06 23:01:11,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1288. [2023-11-06 23:01:11,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1259 states have (on average 1.4622716441620334) internal successors, (1841), 1265 states have internal predecessors, (1841), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 23:01:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1872 transitions. [2023-11-06 23:01:11,662 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1872 transitions. Word has length 130 [2023-11-06 23:01:11,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:11,663 INFO L495 AbstractCegarLoop]: Abstraction has 1288 states and 1872 transitions. [2023-11-06 23:01:11,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 23:01:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1872 transitions. [2023-11-06 23:01:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 23:01:11,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:11,665 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:11,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:11,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:11,873 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:11,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:11,874 INFO L85 PathProgramCache]: Analyzing trace with hash -644976245, now seen corresponding path program 1 times [2023-11-06 23:01:11,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:11,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077387038] [2023-11-06 23:01:11,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:11,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:11,937 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:11,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758749213] [2023-11-06 23:01:11,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:11,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:11,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:11,939 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:11,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 23:01:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:12,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 23:01:12,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 23:01:12,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:12,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:12,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077387038] [2023-11-06 23:01:12,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:12,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758749213] [2023-11-06 23:01:12,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758749213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:12,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:12,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:01:12,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613944841] [2023-11-06 23:01:12,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:12,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:01:12,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:12,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:01:12,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:01:12,802 INFO L87 Difference]: Start difference. First operand 1288 states and 1872 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 23:01:13,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:13,018 INFO L93 Difference]: Finished difference Result 2393 states and 3490 transitions. [2023-11-06 23:01:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:01:13,019 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 135 [2023-11-06 23:01:13,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:13,029 INFO L225 Difference]: With dead ends: 2393 [2023-11-06 23:01:13,029 INFO L226 Difference]: Without dead ends: 1293 [2023-11-06 23:01:13,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:01:13,032 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 16 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3793 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:13,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3793 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:01:13,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2023-11-06 23:01:13,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1293. [2023-11-06 23:01:13,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1263 states have (on average 1.46159936658749) internal successors, (1846), 1270 states have internal predecessors, (1846), 16 states have call successors, (16), 9 states have call predecessors, (16), 10 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 23:01:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1878 transitions. [2023-11-06 23:01:13,120 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1878 transitions. Word has length 135 [2023-11-06 23:01:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:13,121 INFO L495 AbstractCegarLoop]: Abstraction has 1293 states and 1878 transitions. [2023-11-06 23:01:13,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 23:01:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1878 transitions. [2023-11-06 23:01:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 23:01:13,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:13,124 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:13,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:13,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 23:01:13,333 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:13,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:13,334 INFO L85 PathProgramCache]: Analyzing trace with hash -324838863, now seen corresponding path program 1 times [2023-11-06 23:01:13,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:13,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349900179] [2023-11-06 23:01:13,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:13,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:13,395 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:13,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40716557] [2023-11-06 23:01:13,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:13,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:13,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:13,397 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:13,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 23:01:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:14,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 193 conjunts are in the unsatisfiable core [2023-11-06 23:01:14,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:14,266 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 23:01:14,267 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-06 23:01:14,277 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 11 treesize of output 7 [2023-11-06 23:01:14,364 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 23:01:14,365 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2023-11-06 23:01:14,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:01:14,522 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-06 23:01:17,492 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:01:17,493 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 105 [2023-11-06 23:01:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 23:01:18,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:18,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:18,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349900179] [2023-11-06 23:01:18,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:18,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40716557] [2023-11-06 23:01:18,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40716557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:18,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:18,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 23:01:18,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809108414] [2023-11-06 23:01:18,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:18,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 23:01:18,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:18,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 23:01:18,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:01:18,093 INFO L87 Difference]: Start difference. First operand 1293 states and 1878 transitions. Second operand has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 13 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:01:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:24,556 INFO L93 Difference]: Finished difference Result 2925 states and 4241 transitions. [2023-11-06 23:01:24,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:01:24,557 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 13 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 137 [2023-11-06 23:01:24,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:24,569 INFO L225 Difference]: With dead ends: 2925 [2023-11-06 23:01:24,569 INFO L226 Difference]: Without dead ends: 1759 [2023-11-06 23:01:24,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2023-11-06 23:01:24,572 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 1538 mSDsluCounter, 4171 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 4713 SdHoareTripleChecker+Invalid, 1892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:24,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1538 Valid, 4713 Invalid, 1892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-06 23:01:24,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2023-11-06 23:01:24,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1300. [2023-11-06 23:01:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1270 states have (on average 1.4590551181102362) internal successors, (1853), 1277 states have internal predecessors, (1853), 16 states have call successors, (16), 9 states have call predecessors, (16), 10 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 23:01:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1885 transitions. [2023-11-06 23:01:24,645 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1885 transitions. Word has length 137 [2023-11-06 23:01:24,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:24,645 INFO L495 AbstractCegarLoop]: Abstraction has 1300 states and 1885 transitions. [2023-11-06 23:01:24,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 13 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:01:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1885 transitions. [2023-11-06 23:01:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 23:01:24,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:24,648 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:24,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:24,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 23:01:24,857 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:24,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:24,858 INFO L85 PathProgramCache]: Analyzing trace with hash 58565973, now seen corresponding path program 1 times [2023-11-06 23:01:24,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:24,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483020916] [2023-11-06 23:01:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:24,931 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:24,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446847986] [2023-11-06 23:01:24,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:24,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:24,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:24,933 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:24,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 23:01:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:25,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 162 conjunts are in the unsatisfiable core [2023-11-06 23:01:25,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:25,711 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 23:01:25,711 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-06 23:01:25,737 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 11 treesize of output 7 [2023-11-06 23:01:25,822 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 23:01:25,822 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2023-11-06 23:01:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:01:26,018 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-06 23:01:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:01:26,026 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2023-11-06 23:01:27,297 INFO L322 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-06 23:01:27,297 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 45 [2023-11-06 23:01:27,410 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 23:01:27,603 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-06 23:01:28,291 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:01:28,292 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 49 [2023-11-06 23:01:28,495 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:28,496 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1694 treesize of output 1434 [2023-11-06 23:01:28,525 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:28,526 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1641 treesize of output 1385 [2023-11-06 23:01:28,559 INFO L322 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2023-11-06 23:01:28,560 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1207 treesize of output 893 [2023-11-06 23:01:28,581 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 22 [2023-11-06 23:01:28,588 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2023-11-06 23:01:28,602 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2023-11-06 23:01:28,713 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:28,714 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 2913 treesize of output 2396 [2023-11-06 23:01:28,771 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:28,776 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3072 treesize of output 2527 [2023-11-06 23:01:28,847 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:28,848 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1512 treesize of output 1265 [2023-11-06 23:01:28,902 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:28,903 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1432 treesize of output 1224 [2023-11-06 23:01:28,945 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:28,946 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1485 treesize of output 1273 [2023-11-06 23:01:28,976 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:28,977 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1029 treesize of output 1 [2023-11-06 23:01:29,038 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,039 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1694 treesize of output 1434 [2023-11-06 23:01:29,076 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,077 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1641 treesize of output 1385 [2023-11-06 23:01:29,109 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:29,109 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1207 treesize of output 1 [2023-11-06 23:01:29,133 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:29,134 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1138 treesize of output 1 [2023-11-06 23:01:29,165 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,165 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1625 treesize of output 1375 [2023-11-06 23:01:29,197 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,198 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1572 treesize of output 1326 [2023-11-06 23:01:29,256 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:29,257 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3225 treesize of output 2630 [2023-11-06 23:01:29,309 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:29,309 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3384 treesize of output 2761 [2023-11-06 23:01:29,344 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:29,344 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1662 treesize of output 1390 [2023-11-06 23:01:29,391 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:29,393 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1787 treesize of output 1491 [2023-11-06 23:01:29,442 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:29,443 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3406 treesize of output 2771 [2023-11-06 23:01:29,493 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:29,494 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3552 treesize of output 2893 [2023-11-06 23:01:29,554 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:29,555 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1581 treesize of output 1323 [2023-11-06 23:01:29,607 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:29,608 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3303 treesize of output 2694 [2023-11-06 23:01:29,649 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:29,650 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3144 treesize of output 2563 [2023-11-06 23:01:29,679 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:29,680 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1134 treesize of output 1 [2023-11-06 23:01:29,748 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,749 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1621 treesize of output 1373 [2023-11-06 23:01:29,781 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,782 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1568 treesize of output 1324 [2023-11-06 23:01:29,820 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,821 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1499 treesize of output 1265 [2023-11-06 23:01:29,855 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,856 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1552 treesize of output 1314 [2023-11-06 23:01:29,883 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:29,883 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1065 treesize of output 1 [2023-11-06 23:01:29,919 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,920 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1412 treesize of output 1212 [2023-11-06 23:01:29,950 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:29,951 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1359 treesize of output 1163 [2023-11-06 23:01:29,975 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:29,976 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 956 treesize of output 1 [2023-11-06 23:01:30,000 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:30,001 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1134 treesize of output 1 [2023-11-06 23:01:30,030 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,031 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1621 treesize of output 1373 [2023-11-06 23:01:30,058 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,059 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1568 treesize of output 1324 [2023-11-06 23:01:30,091 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:30,095 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1431 treesize of output 1198 [2023-11-06 23:01:30,144 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:30,144 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 2991 treesize of output 2460 [2023-11-06 23:01:30,180 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:30,181 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 2832 treesize of output 2329 [2023-11-06 23:01:30,231 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:30,232 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3471 treesize of output 2826 [2023-11-06 23:01:30,266 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:30,266 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1706 treesize of output 1424 [2023-11-06 23:01:30,306 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:30,306 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3325 treesize of output 2704 [2023-11-06 23:01:30,342 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:30,343 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1138 treesize of output 1 [2023-11-06 23:01:30,372 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,373 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1572 treesize of output 1326 [2023-11-06 23:01:30,404 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,405 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1625 treesize of output 1375 [2023-11-06 23:01:30,433 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:30,434 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1316 treesize of output 1 [2023-11-06 23:01:30,467 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,467 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1834 treesize of output 1536 [2023-11-06 23:01:30,496 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,496 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1781 treesize of output 1487 [2023-11-06 23:01:30,547 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:30,548 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3384 treesize of output 2761 [2023-11-06 23:01:30,621 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:30,622 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3225 treesize of output 2630 [2023-11-06 23:01:30,658 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:30,660 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1660 treesize of output 1369 [2023-11-06 23:01:30,700 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:30,700 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1797 treesize of output 1483 [2023-11-06 23:01:30,750 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:30,751 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3696 treesize of output 2995 [2023-11-06 23:01:30,793 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:30,794 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3537 treesize of output 2864 [2023-11-06 23:01:30,830 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:30,830 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1316 treesize of output 1 [2023-11-06 23:01:30,861 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,862 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1834 treesize of output 1536 [2023-11-06 23:01:30,891 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,892 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1781 treesize of output 1487 [2023-11-06 23:01:30,926 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:30,926 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1247 treesize of output 1 [2023-11-06 23:01:30,957 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,958 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1712 treesize of output 1428 [2023-11-06 23:01:30,989 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:30,990 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1765 treesize of output 1477 [2023-11-06 23:01:31,047 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:31,049 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3864 treesize of output 3127 [2023-11-06 23:01:31,099 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:31,100 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3718 treesize of output 3005 [2023-11-06 23:01:31,143 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:31,144 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1922 treesize of output 1584 [2023-11-06 23:01:31,218 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:31,219 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1817 treesize of output 1501 [2023-11-06 23:01:31,270 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:31,271 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3442 treesize of output 2787 [2023-11-06 23:01:31,333 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:31,334 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3588 treesize of output 2909 [2023-11-06 23:01:31,390 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:31,391 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1897 treesize of output 1581 [2023-11-06 23:01:31,492 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 23:01:31,493 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2227 treesize of output 1893 [2023-11-06 23:01:31,522 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:31,523 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1378 treesize of output 1007 [2023-11-06 23:01:31,577 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:31,578 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3375 treesize of output 2818 [2023-11-06 23:01:31,643 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:31,644 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3732 treesize of output 3013 [2023-11-06 23:01:31,686 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:31,687 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1936 treesize of output 1592 [2023-11-06 23:01:31,735 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:31,736 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1966 treesize of output 1640 [2023-11-06 23:01:31,772 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:31,772 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1447 treesize of output 1066 [2023-11-06 23:01:31,813 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 23:01:31,814 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2296 treesize of output 1952 [2023-11-06 23:01:31,876 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:31,877 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3148 treesize of output 2653 [2023-11-06 23:01:31,932 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:31,933 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3420 treesize of output 2779 [2023-11-06 23:01:31,973 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:31,974 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1801 treesize of output 1499 [2023-11-06 23:01:32,020 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:32,021 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1757 treesize of output 1479 [2023-11-06 23:01:32,052 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:32,052 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1269 treesize of output 932 [2023-11-06 23:01:32,086 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 23:01:32,087 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2040 treesize of output 1756 [2023-11-06 23:01:32,133 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:32,134 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1966 treesize of output 1640 [2023-11-06 23:01:32,170 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:32,170 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1447 treesize of output 1066 [2023-11-06 23:01:32,268 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 23:01:32,269 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2296 treesize of output 1952 [2023-11-06 23:01:32,614 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 40 [2023-11-06 23:01:32,656 INFO L322 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-11-06 23:01:32,659 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 58 [2023-11-06 23:01:32,705 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 23:01:32,867 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 23:01:32,868 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 550 treesize of output 363 [2023-11-06 23:01:32,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:01:32,885 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 168 [2023-11-06 23:01:32,899 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 120 treesize of output 55 [2023-11-06 23:01:32,904 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-06 23:01:32,909 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-06 23:01:32,935 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 23:01:32,935 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 364 treesize of output 262 [2023-11-06 23:01:32,953 INFO L322 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-06 23:01:32,954 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 136 [2023-11-06 23:01:32,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:01:33,378 INFO L322 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2023-11-06 23:01:33,378 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 87 [2023-11-06 23:01:33,411 INFO L322 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2023-11-06 23:01:33,412 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 5 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 111 [2023-11-06 23:01:33,828 INFO L322 Elim1Store]: treesize reduction 194, result has 11.8 percent of original size [2023-11-06 23:01:33,829 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 214 treesize of output 139 [2023-11-06 23:01:33,867 INFO L322 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2023-11-06 23:01:33,867 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 167 treesize of output 140 [2023-11-06 23:01:34,391 INFO L322 Elim1Store]: treesize reduction 94, result has 5.1 percent of original size [2023-11-06 23:01:34,391 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 367 treesize of output 241 [2023-11-06 23:01:34,409 INFO L322 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-06 23:01:34,409 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 241 treesize of output 186 [2023-11-06 23:01:34,459 INFO L322 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2023-11-06 23:01:34,459 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 8 new quantified variables, introduced 5 case distinctions, treesize of input 192 treesize of output 120 [2023-11-06 23:01:34,486 INFO L322 Elim1Store]: treesize reduction 35, result has 12.5 percent of original size [2023-11-06 23:01:34,487 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 160 treesize of output 119 [2023-11-06 23:01:34,499 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 29 [2023-11-06 23:01:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:34,553 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:01:34,665 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse1 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse2 (select |c_#memory_$Pointer$.offset| .cse1)) (.cse5 (select |c_#memory_$Pointer$.base| .cse1)) (.cse6 (* .cse0 12)) (.cse7 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11))) (and (or (< 2147483647 .cse0) (let ((.cse3 (+ .cse6 .cse7 4)) (.cse4 (+ .cse6 .cse7))) (and (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 (store .cse2 .cse3 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse1) .cse4) 0)) (forall ((v_ArrVal_2963 (Array Int Int))) (or (not (= (store .cse5 .cse3 (select v_ArrVal_2963 .cse3)) v_ArrVal_2963)) (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse1) .cse4) 0))))))) (or (let ((.cse9 (+ (- 51539607552) .cse6 .cse7)) (.cse8 (+ .cse6 .cse7 (- 51539607548)))) (and (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 (store .cse2 .cse8 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse1) .cse9) 0)) (forall ((v_ArrVal_2963 (Array Int Int))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse1) .cse9) 0)) (not (= v_ArrVal_2963 (store .cse5 .cse8 (select v_ArrVal_2963 .cse8)))))))) (< .cse0 2147483648))))))) is different from false [2023-11-06 23:01:34,766 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_#t~nondet117#1| 4294967296)) (.cse3 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse5 (select |c_#memory_$Pointer$.offset| .cse3)) (.cse1 (select |c_#memory_$Pointer$.base| .cse3)) (.cse6 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11)) (.cse7 (* .cse0 12))) (and (or (< .cse0 2147483648) (let ((.cse2 (+ .cse6 (- 51539607548) .cse7)) (.cse4 (+ (- 51539607552) .cse6 .cse7))) (and (forall ((v_ArrVal_2963 (Array Int Int))) (or (not (= v_ArrVal_2963 (store .cse1 .cse2 (select v_ArrVal_2963 .cse2)))) (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse3) .cse4) 0)))) (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 (store .cse5 .cse2 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse3) .cse4) 0))))) (or (let ((.cse9 (+ .cse6 .cse7)) (.cse8 (+ .cse6 4 .cse7))) (and (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= 0 (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 (store .cse5 .cse8 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse3) .cse9))) (forall ((v_ArrVal_2963 (Array Int Int))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse3) .cse9) 0)) (not (= v_ArrVal_2963 (store .cse1 .cse8 (select v_ArrVal_2963 .cse8)))))))) (< 2147483647 .cse0))))))) is different from false [2023-11-06 23:01:34,786 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))) (let ((.cse2 (select (select |c_#memory_$Pointer$.offset| .cse3) .cse4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| .cse3) .cse4)) (.cse1 (+ .cse2 4))) (and (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 (store (select |c_#memory_$Pointer$.offset| .cse0) .cse1 v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse0) .cse2) 0)) (forall ((v_ArrVal_2963 (Array Int Int))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse0) .cse2) 0)) (not (= v_ArrVal_2963 (store (select |c_#memory_$Pointer$.base| .cse0) .cse1 (select v_ArrVal_2963 .cse1))))))))))) is different from false [2023-11-06 23:01:35,056 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse10 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse0 (select |c_#memory_$Pointer$.offset| .cse11)) (.cse2 (select |c_#memory_$Pointer$.base| .cse11)) (.cse1 (+ 12 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)))) (and (forall ((v_ArrVal_2958 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_2958 .cse1)) v_ArrVal_2958)) (forall ((v_ArrVal_2959 (Array Int Int))) (or (not (= (store .cse2 .cse1 (select v_ArrVal_2959 .cse1)) v_ArrVal_2959)) (forall ((v_ArrVal_2963 (Array Int Int))) (let ((.cse7 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_2958)) (.cse3 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_2959))) (let ((.cse8 (select (select .cse3 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)) (.cse9 (select (select .cse7 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse4 (select (select .cse3 .cse8) .cse9)) (.cse5 (select (select .cse7 .cse8) .cse9))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store .cse3 .cse4 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse4) .cse5) 0)) (not (= v_ArrVal_2963 (let ((.cse6 (+ .cse5 4))) (store (select .cse3 .cse4) .cse6 (select v_ArrVal_2963 .cse6)))))))))))))) (forall ((v_ArrVal_2958 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_2958 .cse1)) v_ArrVal_2958)) (forall ((v_ArrVal_2959 (Array Int Int))) (or (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (let ((.cse12 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_2958)) (.cse15 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_2959))) (let ((.cse16 (select (select .cse15 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)) (.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse14 (select (select .cse12 .cse16) .cse17))) (select (let ((.cse13 (select (select .cse15 .cse16) .cse17))) (select (store (store .cse12 .cse13 (store (select .cse12 .cse13) (+ .cse14 4) v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse13)) .cse14)))) 0)) (not (= (store .cse2 .cse1 (select v_ArrVal_2959 .cse1)) v_ArrVal_2959)))))))))) is different from false [2023-11-06 23:01:35,125 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse8 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse9 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse10 (select |c_#memory_$Pointer$.base| .cse9)) (.cse0 (select |c_#memory_$Pointer$.offset| .cse9)) (.cse1 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse8) 12))) (and (forall ((v_ArrVal_2958 (Array Int Int))) (or (not (= v_ArrVal_2958 (store .cse0 .cse1 (select v_ArrVal_2958 .cse1)))) (forall ((v_ArrVal_2959 (Array Int Int))) (or (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse9 v_ArrVal_2958)) (.cse5 (store |c_#memory_$Pointer$.base| .cse9 v_ArrVal_2959))) (let ((.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8)) (.cse7 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse4 (select (select .cse2 .cse6) .cse7))) (select (let ((.cse3 (select (select .cse5 .cse6) .cse7))) (select (store (store .cse2 .cse3 (store (select .cse2 .cse3) (+ .cse4 4) v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse3)) .cse4)))) 0)) (not (= v_ArrVal_2959 (store .cse10 .cse1 (select v_ArrVal_2959 .cse1)))))))) (forall ((v_ArrVal_2958 (Array Int Int))) (or (forall ((v_ArrVal_2959 (Array Int Int))) (or (forall ((v_ArrVal_2963 (Array Int Int))) (let ((.cse15 (store |c_#memory_$Pointer$.offset| .cse9 v_ArrVal_2958)) (.cse11 (store |c_#memory_$Pointer$.base| .cse9 v_ArrVal_2959))) (let ((.cse16 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8)) (.cse17 (select (select .cse15 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse12 (select (select .cse11 .cse16) .cse17)) (.cse13 (select (select .cse15 .cse16) .cse17))) (or (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store .cse11 .cse12 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse12) .cse13) 0)) (not (= v_ArrVal_2963 (let ((.cse14 (+ .cse13 4))) (store (select .cse11 .cse12) .cse14 (select v_ArrVal_2963 .cse14)))))))))) (not (= v_ArrVal_2959 (store .cse10 .cse1 (select v_ArrVal_2959 .cse1)))))) (not (= v_ArrVal_2958 (store .cse0 .cse1 (select v_ArrVal_2958 .cse1)))))))))) is different from false [2023-11-06 23:01:35,418 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse10 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (.cse9 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse12 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (.cse11 (select (select .cse10 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse0 (select .cse10 .cse11)) (.cse13 (select .cse12 .cse11)) (.cse1 (+ (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9) 12))) (and (forall ((v_ArrVal_2958 (Array Int Int))) (or (forall ((v_ArrVal_2959 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_2959 .cse1)) v_ArrVal_2959)) (forall ((v_ArrVal_2963 (Array Int Int))) (let ((.cse6 (store .cse12 .cse11 v_ArrVal_2958)) (.cse2 (store .cse10 .cse11 v_ArrVal_2959))) (let ((.cse7 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse8 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse3 (select (select .cse2 .cse7) .cse8)) (.cse5 (select (select .cse6 .cse7) .cse8))) (or (not (= v_ArrVal_2963 (let ((.cse4 (+ .cse5 4))) (store (select .cse2 .cse3) .cse4 (select v_ArrVal_2963 .cse4))))) (forall ((v_ArrVal_2960 (Array Int Int))) (= (select (select (store (store .cse2 .cse3 v_ArrVal_2963) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2960) .cse3) .cse5) 0))))))))) (not (= (store .cse13 .cse1 (select v_ArrVal_2958 .cse1)) v_ArrVal_2958)))) (forall ((v_ArrVal_2958 (Array Int Int))) (or (forall ((v_ArrVal_2959 (Array Int Int))) (or (forall ((v_ArrVal_2964 (Array Int Int)) (v_ArrVal_2961 Int)) (= (let ((.cse14 (store .cse12 .cse11 v_ArrVal_2958)) (.cse17 (store .cse10 .cse11 v_ArrVal_2959))) (let ((.cse18 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse19 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse16 (select (select .cse14 .cse18) .cse19))) (select (let ((.cse15 (select (select .cse17 .cse18) .cse19))) (select (store (store .cse14 .cse15 (store (select .cse14 .cse15) (+ .cse16 4) v_ArrVal_2961)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2964) .cse15)) .cse16)))) 0)) (not (= (store .cse0 .cse1 (select v_ArrVal_2959 .cse1)) v_ArrVal_2959)))) (not (= (store .cse13 .cse1 (select v_ArrVal_2958 .cse1)) v_ArrVal_2958)))))))) is different from false [2023-11-06 23:01:35,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:35,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483020916] [2023-11-06 23:01:35,426 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:35,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446847986] [2023-11-06 23:01:35,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446847986] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:01:35,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:01:35,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2023-11-06 23:01:35,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62180477] [2023-11-06 23:01:35,427 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:01:35,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-06 23:01:35,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:35,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-06 23:01:35,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=841, Unknown=6, NotChecked=378, Total=1332 [2023-11-06 23:01:35,430 INFO L87 Difference]: Start difference. First operand 1300 states and 1885 transitions. Second operand has 31 states, 28 states have (on average 4.357142857142857) internal successors, (122), 25 states have internal predecessors, (122), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 23:01:43,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:43,009 INFO L93 Difference]: Finished difference Result 3152 states and 4575 transitions. [2023-11-06 23:01:43,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-06 23:01:43,015 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 4.357142857142857) internal successors, (122), 25 states have internal predecessors, (122), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 137 [2023-11-06 23:01:43,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:43,029 INFO L225 Difference]: With dead ends: 3152 [2023-11-06 23:01:43,030 INFO L226 Difference]: Without dead ends: 2048 [2023-11-06 23:01:43,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=402, Invalid=3276, Unknown=6, NotChecked=738, Total=4422 [2023-11-06 23:01:43,040 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 2490 mSDsluCounter, 10853 mSDsCounter, 0 mSdLazyCounter, 2903 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 11354 SdHoareTripleChecker+Invalid, 3034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 2903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:43,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2512 Valid, 11354 Invalid, 3034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [131 Valid, 2903 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-06 23:01:43,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2023-11-06 23:01:43,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1557. [2023-11-06 23:01:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1512 states have (on average 1.4424603174603174) internal successors, (2181), 1522 states have internal predecessors, (2181), 24 states have call successors, (24), 13 states have call predecessors, (24), 17 states have return successors, (30), 21 states have call predecessors, (30), 23 states have call successors, (30) [2023-11-06 23:01:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2235 transitions. [2023-11-06 23:01:43,142 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2235 transitions. Word has length 137 [2023-11-06 23:01:43,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:43,143 INFO L495 AbstractCegarLoop]: Abstraction has 1557 states and 2235 transitions. [2023-11-06 23:01:43,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 28 states have (on average 4.357142857142857) internal successors, (122), 25 states have internal predecessors, (122), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 23:01:43,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2235 transitions. [2023-11-06 23:01:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 23:01:43,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:43,146 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:43,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:43,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:43,357 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:43,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:43,357 INFO L85 PathProgramCache]: Analyzing trace with hash 760165847, now seen corresponding path program 1 times [2023-11-06 23:01:43,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:43,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526418765] [2023-11-06 23:01:43,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:43,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:43,423 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:43,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1730810215] [2023-11-06 23:01:43,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:43,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:43,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:43,425 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:43,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 23:01:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:44,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 23:01:44,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 23:01:44,251 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:01:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-06 23:01:44,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:44,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526418765] [2023-11-06 23:01:44,423 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730810215] [2023-11-06 23:01:44,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730810215] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:01:44,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:01:44,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2023-11-06 23:01:44,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357211640] [2023-11-06 23:01:44,424 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:01:44,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:01:44,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:44,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:01:44,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:01:44,426 INFO L87 Difference]: Start difference. First operand 1557 states and 2235 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 23:01:44,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:44,808 INFO L93 Difference]: Finished difference Result 2917 states and 4208 transitions. [2023-11-06 23:01:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 23:01:44,809 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2023-11-06 23:01:44,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:44,819 INFO L225 Difference]: With dead ends: 2917 [2023-11-06 23:01:44,819 INFO L226 Difference]: Without dead ends: 1557 [2023-11-06 23:01:44,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-11-06 23:01:44,823 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 23 mSDsluCounter, 3248 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:44,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3794 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:01:44,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2023-11-06 23:01:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1313. [2023-11-06 23:01:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1313 states, 1282 states have (on average 1.4594383775351014) internal successors, (1871), 1289 states have internal predecessors, (1871), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 23:01:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1903 transitions. [2023-11-06 23:01:44,898 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1903 transitions. Word has length 137 [2023-11-06 23:01:44,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:44,899 INFO L495 AbstractCegarLoop]: Abstraction has 1313 states and 1903 transitions. [2023-11-06 23:01:44,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 23:01:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1903 transitions. [2023-11-06 23:01:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 23:01:44,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:44,902 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:44,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:45,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 23:01:45,113 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:01:45,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:45,113 INFO L85 PathProgramCache]: Analyzing trace with hash 475105423, now seen corresponding path program 2 times [2023-11-06 23:01:45,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:45,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588914167] [2023-11-06 23:01:45,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:45,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:45,196 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:45,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522800727] [2023-11-06 23:01:45,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:01:45,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:45,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:45,198 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:45,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 23:01:49,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:01:49,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:01:49,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 23:01:49,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:05,338 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-06 23:02:05,339 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:05,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:05,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588914167] [2023-11-06 23:02:05,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:02:05,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522800727] [2023-11-06 23:02:05,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522800727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:05,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:05,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:02:05,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060592872] [2023-11-06 23:02:05,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:05,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:02:05,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:05,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:02:05,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=30, Unknown=1, NotChecked=0, Total=42 [2023-11-06 23:02:05,343 INFO L87 Difference]: Start difference. First operand 1313 states and 1903 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:02:08,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:10,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:12,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:14,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:16,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:18,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:20,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:21,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:21,271 INFO L93 Difference]: Finished difference Result 2496 states and 3630 transitions. [2023-11-06 23:02:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:02:21,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 141 [2023-11-06 23:02:21,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:21,280 INFO L225 Difference]: With dead ends: 2496 [2023-11-06 23:02:21,280 INFO L226 Difference]: Without dead ends: 1331 [2023-11-06 23:02:21,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=15, Invalid=40, Unknown=1, NotChecked=0, Total=56 [2023-11-06 23:02:21,283 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 17 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:21,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2710 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 649 Invalid, 6 Unknown, 0 Unchecked, 15.8s Time] [2023-11-06 23:02:21,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2023-11-06 23:02:21,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1313. [2023-11-06 23:02:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1313 states, 1282 states have (on average 1.4594383775351014) internal successors, (1871), 1289 states have internal predecessors, (1871), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 23:02:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1903 transitions. [2023-11-06 23:02:21,358 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1903 transitions. Word has length 141 [2023-11-06 23:02:21,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:21,358 INFO L495 AbstractCegarLoop]: Abstraction has 1313 states and 1903 transitions. [2023-11-06 23:02:21,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:02:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1903 transitions. [2023-11-06 23:02:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 23:02:21,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:21,361 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:21,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:21,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 23:02:21,575 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:02:21,575 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:21,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1385339629, now seen corresponding path program 1 times [2023-11-06 23:02:21,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:21,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536899969] [2023-11-06 23:02:21,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:21,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:21,650 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:21,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976150107] [2023-11-06 23:02:21,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:21,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:21,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:21,652 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:21,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 23:02:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:22,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:02:22,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-06 23:02:22,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:22,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:22,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536899969] [2023-11-06 23:02:22,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:02:22,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976150107] [2023-11-06 23:02:22,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976150107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:22,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:22,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:02:22,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200060049] [2023-11-06 23:02:22,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:22,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:02:22,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:22,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:02:22,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:02:22,345 INFO L87 Difference]: Start difference. First operand 1313 states and 1903 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:02:22,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:22,520 INFO L93 Difference]: Finished difference Result 2704 states and 3975 transitions. [2023-11-06 23:02:22,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:02:22,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 141 [2023-11-06 23:02:22,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:22,529 INFO L225 Difference]: With dead ends: 2704 [2023-11-06 23:02:22,529 INFO L226 Difference]: Without dead ends: 1510 [2023-11-06 23:02:22,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:02:22,532 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 147 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:22,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1619 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:02:22,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2023-11-06 23:02:22,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1303. [2023-11-06 23:02:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1272 states have (on average 1.4544025157232705) internal successors, (1850), 1279 states have internal predecessors, (1850), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 23:02:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1882 transitions. [2023-11-06 23:02:22,613 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1882 transitions. Word has length 141 [2023-11-06 23:02:22,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:22,614 INFO L495 AbstractCegarLoop]: Abstraction has 1303 states and 1882 transitions. [2023-11-06 23:02:22,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:02:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1882 transitions. [2023-11-06 23:02:22,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 23:02:22,616 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:22,617 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:22,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:22,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 23:02:22,827 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:02:22,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:22,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2117227380, now seen corresponding path program 1 times [2023-11-06 23:02:22,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:22,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111137408] [2023-11-06 23:02:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:22,900 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:22,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319323735] [2023-11-06 23:02:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:22,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:22,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:22,902 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:22,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 23:02:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:23,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-06 23:02:23,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 23:02:23,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:02:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-06 23:02:24,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:24,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111137408] [2023-11-06 23:02:24,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:02:24,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319323735] [2023-11-06 23:02:24,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319323735] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:02:24,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:02:24,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2023-11-06 23:02:24,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676963410] [2023-11-06 23:02:24,141 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:02:24,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 23:02:24,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:24,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 23:02:24,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-06 23:02:24,149 INFO L87 Difference]: Start difference. First operand 1303 states and 1882 transitions. Second operand has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 23:02:25,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:25,772 INFO L93 Difference]: Finished difference Result 2342 states and 3387 transitions. [2023-11-06 23:02:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 23:02:25,773 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 142 [2023-11-06 23:02:25,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:25,781 INFO L225 Difference]: With dead ends: 2342 [2023-11-06 23:02:25,781 INFO L226 Difference]: Without dead ends: 1084 [2023-11-06 23:02:25,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=275, Invalid=915, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 23:02:25,785 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 124 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 5477 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:25,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 5477 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:02:25,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-11-06 23:02:25,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1078. [2023-11-06 23:02:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1047 states have (on average 1.4374403056351481) internal successors, (1505), 1054 states have internal predecessors, (1505), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 23:02:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1537 transitions. [2023-11-06 23:02:25,863 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1537 transitions. Word has length 142 [2023-11-06 23:02:25,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:25,863 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1537 transitions. [2023-11-06 23:02:25,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 23:02:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1537 transitions. [2023-11-06 23:02:25,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 23:02:25,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:25,866 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:25,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:26,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:26,076 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:02:26,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 879428179, now seen corresponding path program 2 times [2023-11-06 23:02:26,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:26,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842041514] [2023-11-06 23:02:26,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:26,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:26,163 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:26,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127550783] [2023-11-06 23:02:26,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:02:26,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:26,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:26,165 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:26,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 23:02:26,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:02:26,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:02:26,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:02:26,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:26,959 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 23:02:26,960 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:26,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:26,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842041514] [2023-11-06 23:02:26,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:02:26,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127550783] [2023-11-06 23:02:26,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127550783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:26,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:26,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:02:26,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107749846] [2023-11-06 23:02:26,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:26,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:02:26,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:26,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:02:26,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:02:26,964 INFO L87 Difference]: Start difference. First operand 1078 states and 1537 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:02:27,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:27,389 INFO L93 Difference]: Finished difference Result 2116 states and 3034 transitions. [2023-11-06 23:02:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:02:27,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 151 [2023-11-06 23:02:27,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:27,397 INFO L225 Difference]: With dead ends: 2116 [2023-11-06 23:02:27,397 INFO L226 Difference]: Without dead ends: 1096 [2023-11-06 23:02:27,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:02:27,400 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 15 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2569 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:27,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2569 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:02:27,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-11-06 23:02:27,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1078. [2023-11-06 23:02:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1047 states have (on average 1.4374403056351481) internal successors, (1505), 1054 states have internal predecessors, (1505), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (16), 13 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 23:02:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1537 transitions. [2023-11-06 23:02:27,473 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1537 transitions. Word has length 151 [2023-11-06 23:02:27,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:27,473 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1537 transitions. [2023-11-06 23:02:27,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:02:27,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1537 transitions. [2023-11-06 23:02:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 23:02:27,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:27,476 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:27,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:27,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:27,684 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:02:27,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:27,685 INFO L85 PathProgramCache]: Analyzing trace with hash 314429275, now seen corresponding path program 1 times [2023-11-06 23:02:27,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:27,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533812980] [2023-11-06 23:02:27,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:27,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:27,764 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:27,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331478774] [2023-11-06 23:02:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:27,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:27,767 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:27,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 23:02:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:28,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 227 conjunts are in the unsatisfiable core [2023-11-06 23:02:29,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:29,044 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 23:02:29,044 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-06 23:02:29,054 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 11 treesize of output 7 [2023-11-06 23:02:29,119 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 23:02:29,119 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2023-11-06 23:02:29,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:02:29,277 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-06 23:02:29,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:02:29,288 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 23:02:30,499 INFO L322 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-06 23:02:30,499 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 45 [2023-11-06 23:02:30,586 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 23:02:30,730 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 36 treesize of output 24 [2023-11-06 23:02:32,510 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:02:32,511 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 49 [2023-11-06 23:02:32,724 INFO L322 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2023-11-06 23:02:32,725 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1941 treesize of output 1434 [2023-11-06 23:02:32,749 INFO L322 Elim1Store]: treesize reduction 27, result has 15.6 percent of original size [2023-11-06 23:02:32,750 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 73 [2023-11-06 23:02:32,755 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 23:02:32,808 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:02:32,809 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2370 treesize of output 1946 [2023-11-06 23:02:32,842 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 23:02:32,843 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2009 treesize of output 1739 [2023-11-06 23:02:32,884 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:02:32,885 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2059 treesize of output 1701 [2023-11-06 23:02:32,914 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 23:02:32,915 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1753 treesize of output 1543 [2023-11-06 23:02:32,938 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:02:32,939 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1652 treesize of output 1 [2023-11-06 23:02:32,971 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:02:32,972 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2202 treesize of output 1765 [2023-11-06 23:02:33,013 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:02:33,014 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4138 treesize of output 3214 [2023-11-06 23:02:33,050 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:02:33,051 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3482 treesize of output 2849 [2023-11-06 23:02:33,095 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:02:33,096 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2501 treesize of output 1982 [2023-11-06 23:02:33,135 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:02:33,136 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4583 treesize of output 3537 [2023-11-06 23:02:33,178 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:02:33,179 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3830 treesize of output 3107 [2023-11-06 23:02:33,210 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:02:33,211 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1941 treesize of output 1 [2023-11-06 23:02:33,241 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:02:33,242 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2370 treesize of output 1946 [2023-11-06 23:02:33,269 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 23:02:33,270 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2009 treesize of output 1739 [2023-11-06 23:02:33,303 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:02:33,304 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2466 treesize of output 1959 [2023-11-06 23:02:33,344 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:02:33,345 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4580 treesize of output 3546 [2023-11-06 23:02:33,381 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:02:33,382 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4873 treesize of output 3775 [2023-11-06 23:02:33,409 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:02:33,410 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1872 treesize of output 1 [2023-11-06 23:02:33,439 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 23:02:33,440 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1940 treesize of output 1680 [2023-11-06 23:02:33,473 INFO L322 Elim1Store]: treesize reduction 299, result has 0.3 percent of original size [2023-11-06 23:02:33,473 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 2041 treesize of output 1765 [2023-11-06 23:02:33,863 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 [2023-11-06 23:02:33,870 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 51 treesize of output 40 [2023-11-06 23:02:33,913 INFO L322 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-11-06 23:02:33,914 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 58 [2023-11-06 23:02:34,071 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 23:02:34,072 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 364 treesize of output 262 [2023-11-06 23:02:34,087 INFO L322 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-06 23:02:34,087 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 136 [2023-11-06 23:02:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:02:34,158 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 23:02:34,159 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 550 treesize of output 363 [2023-11-06 23:02:34,203 INFO L322 Elim1Store]: treesize reduction 106, result has 4.5 percent of original size [2023-11-06 23:02:34,204 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 283 treesize of output 218 [2023-11-06 23:02:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:02:34,216 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 109 [2023-11-06 23:02:34,223 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-06 23:02:34,230 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-06 23:02:35,968 INFO L322 Elim1Store]: treesize reduction 987, result has 2.6 percent of original size [2023-11-06 23:02:35,968 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 7 case distinctions, treesize of input 424 treesize of output 212 [2023-11-06 23:02:36,137 INFO L322 Elim1Store]: treesize reduction 656, result has 6.7 percent of original size [2023-11-06 23:02:36,138 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 212 treesize of output 159 [2023-11-06 23:02:36,718 INFO L322 Elim1Store]: treesize reduction 194, result has 11.8 percent of original size [2023-11-06 23:02:36,718 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 346 treesize of output 207 [2023-11-06 23:02:36,840 INFO L322 Elim1Store]: treesize reduction 460, result has 9.3 percent of original size [2023-11-06 23:02:36,841 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 31 case distinctions, treesize of input 299 treesize of output 200 [2023-11-06 23:02:37,669 INFO L322 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2023-11-06 23:02:37,669 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 438 treesize of output 238 [2023-11-06 23:02:37,732 INFO L322 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-06 23:02:37,733 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 392 treesize of output 298 [2023-11-06 23:02:37,751 INFO L322 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-06 23:02:37,752 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 301 treesize of output 170 [2023-11-06 23:02:37,832 INFO L322 Elim1Store]: treesize reduction 144, result has 16.8 percent of original size [2023-11-06 23:02:37,832 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 139 treesize of output 108 [2023-11-06 23:02:37,851 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 66 [2023-11-06 23:02:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 36 proven. 138 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-06 23:02:37,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:02:39,000 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse7 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse10 (select |c_#memory_$Pointer$.offset| .cse7)) (.cse8 (select |c_#memory_$Pointer$.base| .cse7)) (.cse9 (+ 12 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)))) (and (forall ((v_ArrVal_5623 (Array Int Int))) (or (forall ((v_ArrVal_5624 (Array Int Int))) (or (forall ((v_ArrVal_5628 Int) (v_ArrVal_5627 (Array Int Int))) (= (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse7 v_ArrVal_5623)) (.cse0 (store |c_#memory_$Pointer$.base| .cse7 v_ArrVal_5624))) (let ((.cse3 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)) (.cse4 (select (select .cse5 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse2 (select (select .cse5 .cse3) .cse4))) (select (let ((.cse1 (select (select .cse0 .cse3) .cse4))) (select (store (store .cse0 .cse1 (store (select .cse0 .cse1) (+ .cse2 4) v_ArrVal_5628)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5627) .cse1)) .cse2)))) 0)) (not (= (store .cse8 .cse9 (select v_ArrVal_5624 .cse9)) v_ArrVal_5624)))) (not (= v_ArrVal_5623 (store .cse10 .cse9 (select v_ArrVal_5623 .cse9)))))) (forall ((v_ArrVal_5623 (Array Int Int))) (or (not (= v_ArrVal_5623 (store .cse10 .cse9 (select v_ArrVal_5623 .cse9)))) (forall ((v_ArrVal_5624 (Array Int Int))) (or (not (= (store .cse8 .cse9 (select v_ArrVal_5624 .cse9)) v_ArrVal_5624)) (forall ((v_ArrVal_5626 Int) (v_ArrVal_5630 (Array Int Int))) (= (let ((.cse11 (store |c_#memory_$Pointer$.offset| .cse7 v_ArrVal_5623)) (.cse14 (store |c_#memory_$Pointer$.base| .cse7 v_ArrVal_5624))) (let ((.cse15 (select (select .cse14 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)) (.cse16 (select (select .cse11 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse13 (select (select .cse11 .cse15) .cse16))) (select (let ((.cse12 (select (select .cse14 .cse15) .cse16))) (select (store (store .cse11 .cse12 (store (select .cse11 .cse12) (+ .cse13 4) v_ArrVal_5626)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5630) .cse12)) .cse13)))) 0)))))))))) is different from false [2023-11-06 23:02:39,057 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse8 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse9 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse10 (select |c_#memory_$Pointer$.offset| .cse9)) (.cse0 (select |c_#memory_$Pointer$.base| .cse9)) (.cse1 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse8) 12))) (and (forall ((v_ArrVal_5623 (Array Int Int))) (or (forall ((v_ArrVal_5624 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_5624 .cse1)) v_ArrVal_5624)) (forall ((v_ArrVal_5626 Int) (v_ArrVal_5630 (Array Int Int))) (= (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse9 v_ArrVal_5623)) (.cse5 (store |c_#memory_$Pointer$.base| .cse9 v_ArrVal_5624))) (let ((.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8)) (.cse7 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse4 (select (select .cse2 .cse6) .cse7))) (select (let ((.cse3 (select (select .cse5 .cse6) .cse7))) (select (store (store .cse2 .cse3 (store (select .cse2 .cse3) (+ 4 .cse4) v_ArrVal_5626)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5630) .cse3)) .cse4)))) 0)))) (not (= v_ArrVal_5623 (store .cse10 .cse1 (select v_ArrVal_5623 .cse1)))))) (forall ((v_ArrVal_5623 (Array Int Int))) (or (not (= v_ArrVal_5623 (store .cse10 .cse1 (select v_ArrVal_5623 .cse1)))) (forall ((v_ArrVal_5624 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_5624 .cse1)) v_ArrVal_5624)) (forall ((v_ArrVal_5628 Int) (v_ArrVal_5627 (Array Int Int))) (= (let ((.cse16 (store |c_#memory_$Pointer$.offset| .cse9 v_ArrVal_5623)) (.cse11 (store |c_#memory_$Pointer$.base| .cse9 v_ArrVal_5624))) (let ((.cse14 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8)) (.cse15 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (let ((.cse13 (select (select .cse16 .cse14) .cse15))) (select (let ((.cse12 (select (select .cse11 .cse14) .cse15))) (select (store (store .cse11 .cse12 (store (select .cse11 .cse12) (+ 4 .cse13) v_ArrVal_5628)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5627) .cse12)) .cse13)))) 0)))))))))) is different from false [2023-11-06 23:02:40,824 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 1)) (.cse13 (+ 2 |c_ULTIMATE.start_main_#t~mem103#1.offset|)) (.cse14 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 3)) (.cse15 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 4))) (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0) .cse12 0) .cse13 0) .cse14 0) .cse15 0))) (.cse10 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (+ (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10) 12)) (.cse11 (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (and (forall ((v_ArrVal_5623 (Array Int Int)) (v_ArrVal_5653 Int) (v_ArrVal_5652 Int) (v_ArrVal_5651 Int) (v_ArrVal_5650 Int)) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store (store (store .cse11 .cse12 v_ArrVal_5650) .cse13 v_ArrVal_5653) .cse14 v_ArrVal_5652) .cse15 v_ArrVal_5651)))) (let ((.cse1 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10))) (or (not (= (store (select .cse0 .cse1) .cse2 (select v_ArrVal_5623 .cse2)) v_ArrVal_5623)) (forall ((v_ArrVal_5624 (Array Int Int))) (or (not (= v_ArrVal_5624 (store (select .cse3 .cse1) .cse2 (select v_ArrVal_5624 .cse2)))) (forall ((v_ArrVal_5628 Int) (v_ArrVal_5627 (Array Int Int))) (= (let ((.cse9 (store .cse0 .cse1 v_ArrVal_5623)) (.cse4 (store .cse3 .cse1 v_ArrVal_5624))) (let ((.cse7 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10)) (.cse8 (select (select .cse9 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10))) (let ((.cse6 (select (select .cse9 .cse7) .cse8))) (select (let ((.cse5 (select (select .cse4 .cse7) .cse8))) (select (store (store .cse4 .cse5 (store (select .cse4 .cse5) (+ .cse6 4) v_ArrVal_5628)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5627) .cse5)) .cse6)))) 0)))))))) (forall ((v_ArrVal_5623 (Array Int Int)) (v_ArrVal_5653 Int) (v_ArrVal_5652 Int) (v_ArrVal_5651 Int) (v_ArrVal_5650 Int)) (let ((.cse23 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store (store (store .cse11 .cse12 v_ArrVal_5650) .cse13 v_ArrVal_5653) .cse14 v_ArrVal_5652) .cse15 v_ArrVal_5651)))) (let ((.cse16 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10))) (or (not (= (store (select .cse0 .cse16) .cse2 (select v_ArrVal_5623 .cse2)) v_ArrVal_5623)) (forall ((v_ArrVal_5624 (Array Int Int))) (or (forall ((v_ArrVal_5626 Int) (v_ArrVal_5630 (Array Int Int))) (= (let ((.cse17 (store .cse0 .cse16 v_ArrVal_5623)) (.cse20 (store .cse23 .cse16 v_ArrVal_5624))) (let ((.cse21 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10)) (.cse22 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse10))) (let ((.cse19 (select (select .cse17 .cse21) .cse22))) (select (let ((.cse18 (select (select .cse20 .cse21) .cse22))) (select (store (store .cse17 .cse18 (store (select .cse17 .cse18) (+ .cse19 4) v_ArrVal_5626)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5630) .cse18)) .cse19)))) 0)) (not (= v_ArrVal_5624 (store (select .cse23 .cse16) .cse2 (select v_ArrVal_5624 .cse2)))))))))))))) is different from false [2023-11-06 23:02:40,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533812980] [2023-11-06 23:02:40,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:02:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331478774] [2023-11-06 23:02:40,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331478774] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:02:40,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:02:40,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2023-11-06 23:02:40,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809822210] [2023-11-06 23:02:40,855 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:02:40,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-06 23:02:40,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:40,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-06 23:02:40,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=2156, Unknown=54, NotChecked=288, Total=2652 [2023-11-06 23:02:40,859 INFO L87 Difference]: Start difference. First operand 1078 states and 1537 transitions. Second operand has 46 states, 43 states have (on average 3.13953488372093) internal successors, (135), 37 states have internal predecessors, (135), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 23:03:02,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:02,206 INFO L93 Difference]: Finished difference Result 2471 states and 3528 transitions. [2023-11-06 23:03:02,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-11-06 23:03:02,207 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 43 states have (on average 3.13953488372093) internal successors, (135), 37 states have internal predecessors, (135), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 152 [2023-11-06 23:03:02,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:02,215 INFO L225 Difference]: With dead ends: 2471 [2023-11-06 23:03:02,215 INFO L226 Difference]: Without dead ends: 1511 [2023-11-06 23:03:02,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2762 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=667, Invalid=10205, Unknown=60, NotChecked=624, Total=11556 [2023-11-06 23:03:02,222 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 2023 mSDsluCounter, 13847 mSDsCounter, 0 mSdLazyCounter, 4831 mSolverCounterSat, 151 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 14286 SdHoareTripleChecker+Invalid, 4983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 4831 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:02,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 14286 Invalid, 4983 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [151 Valid, 4831 Invalid, 1 Unknown, 0 Unchecked, 14.6s Time] [2023-11-06 23:03:02,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2023-11-06 23:03:02,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1264. [2023-11-06 23:03:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1219 states have (on average 1.4159146841673502) internal successors, (1726), 1228 states have internal predecessors, (1726), 24 states have call successors, (24), 14 states have call predecessors, (24), 17 states have return successors, (28), 21 states have call predecessors, (28), 23 states have call successors, (28) [2023-11-06 23:03:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1778 transitions. [2023-11-06 23:03:02,318 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1778 transitions. Word has length 152 [2023-11-06 23:03:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:02,318 INFO L495 AbstractCegarLoop]: Abstraction has 1264 states and 1778 transitions. [2023-11-06 23:03:02,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 43 states have (on average 3.13953488372093) internal successors, (135), 37 states have internal predecessors, (135), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 23:03:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1778 transitions. [2023-11-06 23:03:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 23:03:02,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:02,321 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:03:02,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:02,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-06 23:03:02,533 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:03:02,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:02,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1016029149, now seen corresponding path program 1 times [2023-11-06 23:03:02,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:02,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600811882] [2023-11-06 23:03:02,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:02,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:02,614 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:02,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1064575130] [2023-11-06 23:03:02,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:02,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:02,616 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:02,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 23:03:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:03,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-06 23:03:03,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 36 proven. 127 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-06 23:03:04,029 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 69 proven. 24 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-06 23:03:04,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:04,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600811882] [2023-11-06 23:03:04,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:04,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064575130] [2023-11-06 23:03:04,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064575130] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:03:04,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:03:04,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 22 [2023-11-06 23:03:04,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007694528] [2023-11-06 23:03:04,506 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:03:04,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-06 23:03:04,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:04,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-06 23:03:04,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2023-11-06 23:03:04,508 INFO L87 Difference]: Start difference. First operand 1264 states and 1778 transitions. Second operand has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 23:03:07,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:07,328 INFO L93 Difference]: Finished difference Result 2439 states and 3463 transitions. [2023-11-06 23:03:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-06 23:03:07,331 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 152 [2023-11-06 23:03:07,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:07,339 INFO L225 Difference]: With dead ends: 2439 [2023-11-06 23:03:07,339 INFO L226 Difference]: Without dead ends: 1292 [2023-11-06 23:03:07,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=476, Invalid=1974, Unknown=0, NotChecked=0, Total=2450 [2023-11-06 23:03:07,343 INFO L413 NwaCegarLoop]: 483 mSDtfsCounter, 31 mSDsluCounter, 5707 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:07,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 6190 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:03:07,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2023-11-06 23:03:07,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1073. [2023-11-06 23:03:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 1044 states have (on average 1.4396551724137931) internal successors, (1503), 1050 states have internal predecessors, (1503), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 12 states have call predecessors, (15), 14 states have call successors, (15) [2023-11-06 23:03:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1533 transitions. [2023-11-06 23:03:07,450 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1533 transitions. Word has length 152 [2023-11-06 23:03:07,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:07,450 INFO L495 AbstractCegarLoop]: Abstraction has 1073 states and 1533 transitions. [2023-11-06 23:03:07,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 23:03:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1533 transitions. [2023-11-06 23:03:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 23:03:07,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:07,454 INFO L195 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:03:07,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:07,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-06 23:03:07,668 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:03:07,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:07,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2067129156, now seen corresponding path program 2 times [2023-11-06 23:03:07,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:07,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844215012] [2023-11-06 23:03:07,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:07,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:07,740 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:07,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1999135867] [2023-11-06 23:03:07,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:03:07,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:07,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:07,742 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:07,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 23:03:08,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:03:08,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:03:08,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 23:03:08,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-06 23:03:10,614 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:10,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:10,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844215012] [2023-11-06 23:03:10,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:10,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999135867] [2023-11-06 23:03:10,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999135867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:10,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:10,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 23:03:10,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303411656] [2023-11-06 23:03:10,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:10,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:03:10,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:10,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:03:10,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:03:10,619 INFO L87 Difference]: Start difference. First operand 1073 states and 1533 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:03:14,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:03:14,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:14,969 INFO L93 Difference]: Finished difference Result 2130 states and 3061 transitions. [2023-11-06 23:03:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:03:14,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 159 [2023-11-06 23:03:14,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:14,983 INFO L225 Difference]: With dead ends: 2130 [2023-11-06 23:03:14,989 INFO L226 Difference]: Without dead ends: 1115 [2023-11-06 23:03:14,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:03:14,992 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 23 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3821 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:14,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3821 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 612 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-11-06 23:03:14,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2023-11-06 23:03:15,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1106. [2023-11-06 23:03:15,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1077 states have (on average 1.434540389972145) internal successors, (1545), 1083 states have internal predecessors, (1545), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 12 states have call predecessors, (15), 14 states have call successors, (15) [2023-11-06 23:03:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1575 transitions. [2023-11-06 23:03:15,088 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1575 transitions. Word has length 159 [2023-11-06 23:03:15,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:15,088 INFO L495 AbstractCegarLoop]: Abstraction has 1106 states and 1575 transitions. [2023-11-06 23:03:15,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:03:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1575 transitions. [2023-11-06 23:03:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 23:03:15,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:15,091 INFO L195 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:03:15,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:15,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-06 23:03:15,302 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:03:15,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:15,302 INFO L85 PathProgramCache]: Analyzing trace with hash -559342040, now seen corresponding path program 1 times [2023-11-06 23:03:15,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:15,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685402804] [2023-11-06 23:03:15,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:15,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:15,384 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:15,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497765908] [2023-11-06 23:03:15,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:15,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:15,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:15,386 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:15,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f0afab-7010-49f6-bc55-d9d39c56e3b7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 23:03:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:16,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 237 conjunts are in the unsatisfiable core [2023-11-06 23:03:16,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:16,981 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 23:03:16,981 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-06 23:03:16,991 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 11 treesize of output 7 [2023-11-06 23:03:17,060 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 23:03:17,061 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2023-11-06 23:03:17,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:17,196 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-06 23:03:17,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:17,203 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 23:03:18,296 INFO L322 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-06 23:03:18,297 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 45 [2023-11-06 23:03:18,420 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 23:03:18,548 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 36 treesize of output 24 [2023-11-06 23:03:19,546 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:03:19,546 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 49 [2023-11-06 23:03:20,499 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:20,502 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 147332 treesize of output 116610 [2023-11-06 23:03:20,601 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:03:20,603 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 85587 treesize of output 68274 [2023-11-06 23:03:20,852 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:03:20,855 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 456633 treesize of output 327288 [2023-11-06 23:03:21,111 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:21,114 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 133743 treesize of output 104453 [2023-11-06 23:03:21,288 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:21,291 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 126168 treesize of output 96974 [2023-11-06 23:03:21,373 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:03:21,375 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 72664 treesize of output 54895 [2023-11-06 23:03:21,480 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:21,482 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 44839 treesize of output 34863 [2023-11-06 23:03:21,558 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 23:03:21,559 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8432 treesize of output 7440 [2023-11-06 23:03:21,584 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2023-11-06 23:03:21,593 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 83 [2023-11-06 23:03:21,681 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2023-11-06 23:03:21,693 INFO L322 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-06 23:03:21,693 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 68 [2023-11-06 23:03:21,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:21,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:21,747 INFO L322 Elim1Store]: treesize reduction 128, result has 22.0 percent of original size [2023-11-06 23:03:21,747 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 159 treesize of output 305 [2023-11-06 23:03:21,758 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 241 [2023-11-06 23:03:21,798 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 163 [2023-11-06 23:03:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:21,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:21,832 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 23:03:21,832 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 134 treesize of output 313 [2023-11-06 23:03:21,885 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 23:03:21,999 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:22,000 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28959 treesize of output 24881 [2023-11-06 23:03:22,277 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:22,279 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35505 treesize of output 30399 [2023-11-06 23:03:22,351 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 23:03:22,352 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 10037 treesize of output 8875 [2023-11-06 23:03:22,366 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 23:03:22,393 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 238 [2023-11-06 23:03:22,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:22,571 INFO L322 Elim1Store]: treesize reduction 280, result has 11.4 percent of original size [2023-11-06 23:03:22,571 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 403 treesize of output 583 [2023-11-06 23:03:22,592 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 541 treesize of output 453 [2023-11-06 23:03:22,606 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 363 treesize of output 323 [2023-11-06 23:03:23,002 INFO L322 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2023-11-06 23:03:23,002 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 42 [2023-11-06 23:03:23,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:23,027 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:23,149 INFO L322 Elim1Store]: treesize reduction 215, result has 21.5 percent of original size [2023-11-06 23:03:23,149 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1014 treesize of output 1091 [2023-11-06 23:03:23,190 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 576 treesize of output 516 [2023-11-06 23:03:23,208 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 509 treesize of output 437 [2023-11-06 23:03:23,230 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 688 treesize of output 582 [2023-11-06 23:03:23,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:23,615 INFO L322 Elim1Store]: treesize reduction 147, result has 29.3 percent of original size [2023-11-06 23:03:23,615 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 365 treesize of output 527 [2023-11-06 23:03:25,592 INFO L322 Elim1Store]: treesize reduction 109, result has 14.2 percent of original size [2023-11-06 23:03:25,593 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 1209 treesize of output 1189 [2023-11-06 23:03:26,298 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:26,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:26,428 INFO L322 Elim1Store]: treesize reduction 362, result has 8.4 percent of original size [2023-11-06 23:03:26,429 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 4181 treesize of output 3170 [2023-11-06 23:03:26,470 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 614 treesize of output 566 [2023-11-06 23:03:26,485 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 408 treesize of output 338 [2023-11-06 23:03:26,494 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 308 [2023-11-06 23:03:26,630 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:26,633 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:26,642 INFO L322 Elim1Store]: treesize reduction 79, result has 1.3 percent of original size [2023-11-06 23:03:26,642 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 54 treesize of output 37 [2023-11-06 23:03:26,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:26,674 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:26,677 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:26,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:26,679 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:03:26,680 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 54 treesize of output 37 [2023-11-06 23:03:26,902 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:26,904 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51481 treesize of output 40629 [2023-11-06 23:03:27,008 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:27,010 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35307 treesize of output 30237 [2023-11-06 23:03:27,174 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:27,176 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51279 treesize of output 40457 [2023-11-06 23:03:27,244 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:27,244 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 14131 treesize of output 1 [2023-11-06 23:03:27,451 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:27,454 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 150031 treesize of output 119297 [2023-11-06 23:03:27,662 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:27,665 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 142456 treesize of output 111818 [2023-11-06 23:03:27,755 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:03:27,757 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 80646 treesize of output 63365 [2023-11-06 23:03:27,841 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:27,842 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35505 treesize of output 30399 [2023-11-06 23:03:27,904 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:27,905 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 10037 treesize of output 1 [2023-11-06 23:03:27,976 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:27,978 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51481 treesize of output 40629 [2023-11-06 23:03:28,056 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:03:28,057 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 31377 treesize of output 27446 [2023-11-06 23:03:28,258 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:28,261 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 146996 treesize of output 116340 [2023-11-06 23:03:28,504 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:03:28,507 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 456297 treesize of output 327018 [2023-11-06 23:03:28,690 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:28,692 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28882 treesize of output 24816 [2023-11-06 23:03:28,808 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:28,809 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8248 treesize of output 1 [2023-11-06 23:03:28,887 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:28,889 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 44655 treesize of output 34711 [2023-11-06 23:03:28,991 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:28,993 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35428 treesize of output 30334 [2023-11-06 23:03:29,093 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:29,095 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51297 treesize of output 40477 [2023-11-06 23:03:29,162 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:29,163 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 9853 treesize of output 1 [2023-11-06 23:03:29,316 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:29,319 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 125832 treesize of output 96704 [2023-11-06 23:03:29,491 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:03:29,493 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 72328 treesize of output 54625 [2023-11-06 23:03:29,682 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:29,684 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 133407 treesize of output 104183 [2023-11-06 23:03:29,751 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:29,752 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 14054 treesize of output 1 [2023-11-06 23:03:29,832 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:29,833 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51095 treesize of output 40305 [2023-11-06 23:03:29,948 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:29,950 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35230 treesize of output 30172 [2023-11-06 23:03:30,086 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:03:30,088 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 30636 treesize of output 26737 [2023-11-06 23:03:30,225 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:30,228 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 142120 treesize of output 111548 [2023-11-06 23:03:30,379 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:30,382 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 149695 treesize of output 119027 [2023-11-06 23:03:30,506 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:30,508 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35428 treesize of output 30334 [2023-11-06 23:03:30,602 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:30,604 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51297 treesize of output 40477 [2023-11-06 23:03:30,649 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:30,650 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 9853 treesize of output 1 [2023-11-06 23:03:30,836 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:30,839 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 164476 treesize of output 131506 [2023-11-06 23:03:30,914 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:03:30,916 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 35119 treesize of output 30726 [2023-11-06 23:03:31,129 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:03:31,132 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 501868 treesize of output 364591 [2023-11-06 23:03:31,435 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:31,438 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 150887 treesize of output 119349 [2023-11-06 23:03:31,543 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:03:31,545 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 88024 treesize of output 67991 [2023-11-06 23:03:31,723 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:31,726 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 143312 treesize of output 111870 [2023-11-06 23:03:31,818 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:31,820 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 51147 treesize of output 40149 [2023-11-06 23:03:31,877 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:31,877 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 11301 treesize of output 1 [2023-11-06 23:03:31,939 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:31,940 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 33134 treesize of output 28406 [2023-11-06 23:03:32,041 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:32,043 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 39680 treesize of output 33924 [2023-11-06 23:03:32,103 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:32,104 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 13316 treesize of output 1 [2023-11-06 23:03:32,169 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:32,171 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 57789 treesize of output 45915 [2023-11-06 23:03:32,333 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:32,335 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 159600 treesize of output 126714 [2023-11-06 23:03:32,405 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:03:32,406 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 34378 treesize of output 30017 [2023-11-06 23:03:32,659 INFO L322 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-06 23:03:32,662 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 167175 treesize of output 134193 [2023-11-06 23:03:32,745 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:32,747 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 39482 treesize of output 33762 [2023-11-06 23:03:32,833 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:32,835 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 57587 treesize of output 45743 [2023-11-06 23:03:32,893 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:32,894 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 16338 treesize of output 1 [2023-11-06 23:03:32,966 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:32,967 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 39680 treesize of output 33924 [2023-11-06 23:03:33,015 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:03:33,016 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 13316 treesize of output 1 [2023-11-06 23:03:33,104 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:03:33,106 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 57789 treesize of output 45915 [2023-11-06 23:03:33,411 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 51 treesize of output 40 [2023-11-06 23:03:33,452 INFO L322 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-11-06 23:03:33,453 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 58 [2023-11-06 23:03:33,491 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 23:03:33,644 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 23:03:33,645 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 711 treesize of output 476 [2023-11-06 23:03:33,659 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 160 treesize of output 95 [2023-11-06 23:03:33,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:33,676 INFO L322 Elim1Store]: treesize reduction 31, result has 26.2 percent of original size [2023-11-06 23:03:33,677 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 135 [2023-11-06 23:03:33,688 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-06 23:03:33,695 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-06 23:03:33,720 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 23:03:33,721 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 513 treesize of output 367 [2023-11-06 23:03:33,740 INFO L322 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-06 23:03:33,740 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 237 treesize of output 196 [2023-11-06 23:03:33,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:53,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,173 INFO L322 Elim1Store]: treesize reduction 1269, result has 1.5 percent of original size [2023-11-06 23:03:54,174 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 77 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 401 treesize of output 233 [2023-11-06 23:03:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:54,414 INFO L322 Elim1Store]: treesize reduction 1201, result has 1.6 percent of original size [2023-11-06 23:03:54,414 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 78 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 168 treesize of output 188 [2023-11-06 23:03:55,850 INFO L322 Elim1Store]: treesize reduction 182, result has 12.5 percent of original size [2023-11-06 23:03:55,851 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 414 treesize of output 208 [2023-11-06 23:03:55,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:55,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:56,178 INFO L322 Elim1Store]: treesize reduction 750, result has 11.3 percent of original size [2023-11-06 23:03:56,178 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 78 disjoint index pairs (out of 105 index pairs), introduced 17 new quantified variables, introduced 115 case distinctions, treesize of input 367 treesize of output 250 [2023-11-06 23:03:57,925 INFO L322 Elim1Store]: treesize reduction 94, result has 5.1 percent of original size [2023-11-06 23:03:57,926 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 548 treesize of output 350 [2023-11-06 23:03:57,944 INFO L322 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-06 23:03:57,944 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 403 treesize of output 292 [2023-11-06 23:03:57,974 INFO L322 Elim1Store]: treesize reduction 72, result has 8.9 percent of original size [2023-11-06 23:03:57,974 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 283 treesize of output 150 [2023-11-06 23:03:57,987 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2023-11-06 23:03:57,997 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 31 treesize of output 21 [2023-11-06 23:03:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:03:58,071 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 92 [2023-11-06 23:03:58,085 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-06 23:03:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 45 proven. 246 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-06 23:03:58,234 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:58,352 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse3 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse1 (select |c_#memory_$Pointer$.offset| .cse3)) (.cse5 (select |c_#memory_$Pointer$.base| .cse3)) (.cse6 (* .cse0 12)) (.cse7 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11))) (and (or (< .cse0 2147483648) (let ((.cse4 (+ (- 51539607552) .cse6 .cse7)) (.cse2 (+ .cse6 .cse7 (- 51539607548)))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (not (= (store .cse1 .cse2 (select v_ArrVal_7433 .cse2)) v_ArrVal_7433)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse3) .cse4) 0))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse3) .cse4) 0)) (not (= (store .cse5 .cse2 (select v_ArrVal_7432 .cse2)) v_ArrVal_7432))))))) (or (let ((.cse8 (+ .cse6 .cse7 4)) (.cse9 (+ .cse6 .cse7))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (not (= v_ArrVal_7433 (store .cse1 .cse8 (select v_ArrVal_7433 .cse8)))) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse3) .cse9) 0))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (not (= v_ArrVal_7432 (store .cse5 .cse8 (select v_ArrVal_7432 .cse8)))) (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse3) .cse9) 0)))))) (< 2147483647 .cse0))))))) is different from false [2023-11-06 23:03:58,461 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_#t~nondet117#1| 4294967296)) (.cse1 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse3 (select |c_#memory_$Pointer$.offset| .cse1)) (.cse5 (select |c_#memory_$Pointer$.base| .cse1)) (.cse6 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11)) (.cse7 (* .cse0 12))) (and (or (< 2147483647 .cse0) (let ((.cse2 (+ .cse6 .cse7)) (.cse4 (+ .cse6 4 .cse7))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse1) .cse2) 0) (not (= (store .cse3 .cse4 (select v_ArrVal_7433 .cse4)) v_ArrVal_7433)))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse1) .cse2) 0)) (not (= (store .cse5 .cse4 (select v_ArrVal_7432 .cse4)) v_ArrVal_7432))))))) (or (< .cse0 2147483648) (let ((.cse8 (+ .cse6 (- 51539607548) .cse7)) (.cse9 (+ (- 51539607552) .cse6 .cse7))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (not (= (store .cse3 .cse8 (select v_ArrVal_7433 .cse8)) v_ArrVal_7433)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse1) .cse9) 0))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (not (= (store .cse5 .cse8 (select v_ArrVal_7432 .cse8)) v_ArrVal_7432)) (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse1) .cse9) 0)))))))))))) is different from false [2023-11-06 23:03:58,482 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))) (let ((.cse2 (select (select |c_#memory_$Pointer$.offset| .cse3) .cse4))) (let ((.cse1 (+ .cse2 4)) (.cse0 (select (select |c_#memory_$Pointer$.base| .cse3) .cse4))) (and (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (or (not (= (store (select |c_#memory_$Pointer$.offset| .cse0) .cse1 (select v_ArrVal_7433 .cse1)) v_ArrVal_7433)) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse0) .cse2) 0))) (forall ((v_ArrVal_7432 (Array Int Int))) (or (not (= v_ArrVal_7432 (store (select |c_#memory_$Pointer$.base| .cse0) .cse1 (select v_ArrVal_7432 .cse1)))) (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse0) .cse2) 0))))))))) is different from false [2023-11-06 23:03:58,602 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse10 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse0 (select |c_#memory_$Pointer$.base| .cse11)) (.cse2 (select |c_#memory_$Pointer$.offset| .cse11)) (.cse1 (+ 12 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)))) (and (forall ((v_ArrVal_7429 (Array Int Int))) (or (not (= v_ArrVal_7429 (store .cse0 .cse1 (select v_ArrVal_7429 .cse1)))) (forall ((v_ArrVal_7430 (Array Int Int))) (or (not (= v_ArrVal_7430 (store .cse2 .cse1 (select v_ArrVal_7430 .cse1)))) (forall ((v_ArrVal_7432 (Array Int Int))) (let ((.cse7 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_7430)) (.cse3 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_7429))) (let ((.cse8 (select (select .cse3 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)) (.cse9 (select (select .cse7 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse4 (select (select .cse3 .cse8) .cse9)) (.cse6 (select (select .cse7 .cse8) .cse9))) (or (not (= (let ((.cse5 (+ 4 .cse6))) (store (select .cse3 .cse4) .cse5 (select v_ArrVal_7432 .cse5))) v_ArrVal_7432)) (forall ((v_ArrVal_7434 (Array Int Int))) (= (select (select (store (store .cse3 .cse4 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse4) .cse6) 0))))))))))) (forall ((v_ArrVal_7429 (Array Int Int))) (or (not (= v_ArrVal_7429 (store .cse0 .cse1 (select v_ArrVal_7429 .cse1)))) (forall ((v_ArrVal_7430 (Array Int Int))) (or (not (= v_ArrVal_7430 (store .cse2 .cse1 (select v_ArrVal_7430 .cse1)))) (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (let ((.cse12 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_7430)) (.cse18 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_7429))) (let ((.cse16 (select (select .cse18 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10)) (.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~users~0#1.base|) .cse10))) (let ((.cse13 (select (select .cse18 .cse16) .cse17)) (.cse15 (select (select .cse12 .cse16) .cse17))) (or (not (= (let ((.cse14 (+ 4 .cse15))) (store (select .cse12 .cse13) .cse14 (select v_ArrVal_7433 .cse14))) v_ArrVal_7433)) (= (select (select (store (store .cse12 .cse13 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse13) .cse15) 0)))))))))))))) is different from false [2023-11-06 23:03:58,664 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse9 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse0 (select |c_#memory_$Pointer$.offset| .cse10)) (.cse11 (select |c_#memory_$Pointer$.base| .cse10)) (.cse1 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse9) 12))) (and (forall ((v_ArrVal_7429 (Array Int Int))) (or (forall ((v_ArrVal_7430 (Array Int Int))) (or (not (= v_ArrVal_7430 (store .cse0 .cse1 (select v_ArrVal_7430 .cse1)))) (forall ((v_ArrVal_7431 (Array Int Int)) (v_ArrVal_7433 (Array Int Int))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| .cse10 v_ArrVal_7430)) (.cse8 (store |c_#memory_$Pointer$.base| .cse10 v_ArrVal_7429))) (let ((.cse6 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse7 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse3 (select (select .cse8 .cse6) .cse7)) (.cse4 (select (select .cse2 .cse6) .cse7))) (or (= (select (select (store (store .cse2 .cse3 v_ArrVal_7433) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7431) .cse3) .cse4) 0) (not (= (let ((.cse5 (+ .cse4 4))) (store (select .cse2 .cse3) .cse5 (select v_ArrVal_7433 .cse5))) v_ArrVal_7433))))))))) (not (= v_ArrVal_7429 (store .cse11 .cse1 (select v_ArrVal_7429 .cse1)))))) (forall ((v_ArrVal_7429 (Array Int Int))) (or (forall ((v_ArrVal_7430 (Array Int Int))) (or (not (= v_ArrVal_7430 (store .cse0 .cse1 (select v_ArrVal_7430 .cse1)))) (forall ((v_ArrVal_7432 (Array Int Int))) (let ((.cse16 (store |c_#memory_$Pointer$.offset| .cse10 v_ArrVal_7430)) (.cse12 (store |c_#memory_$Pointer$.base| .cse10 v_ArrVal_7429))) (let ((.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse18 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (let ((.cse13 (select (select .cse12 .cse17) .cse18)) (.cse14 (select (select .cse16 .cse17) .cse18))) (or (forall ((v_ArrVal_7434 (Array Int Int))) (= 0 (select (select (store (store .cse12 .cse13 v_ArrVal_7432) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7434) .cse13) .cse14))) (not (= (let ((.cse15 (+ .cse14 4))) (store (select .cse12 .cse13) .cse15 (select v_ArrVal_7432 .cse15))) v_ArrVal_7432))))))))) (not (= v_ArrVal_7429 (store .cse11 .cse1 (select v_ArrVal_7429 .cse1)))))))))) is different from false