./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg --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 ef0fc431edab04e2bc46b00be67c275761704e057ac7d10029420dfecba76e3a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:52:12,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:52:12,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:52:12,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:52:12,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:52:12,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:52:12,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:52:12,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:52:12,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:52:12,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:52:12,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:52:12,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:52:12,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:52:12,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:52:12,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:52:12,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:52:12,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:52:12,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:52:12,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:52:12,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:52:12,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:52:12,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:52:12,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:52:12,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:52:12,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:52:12,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:52:12,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:52:12,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:52:12,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:52:12,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:52:12,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:52:12,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:52:12,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:52:12,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:52:12,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:52:12,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:52:12,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:52:12,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:52:12,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:52:12,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:52:12,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:52:12,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:52:12,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:52:12,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:52:12,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:52:12,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:52:12,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:52:12,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:52:12,640 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:52:12,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:52:12,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:52:12,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:52:12,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:52:12,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:52:12,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:52:12,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:52:12,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:52:12,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:52:12,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:52:12,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:52:12,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:52:12,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:52:12,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:52:12,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:52:12,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:52:12,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:52:12,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:52:12,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:52:12,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:52:12,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:52:12,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:52:12,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:52:12,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:52:12,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:52:12,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef0fc431edab04e2bc46b00be67c275761704e057ac7d10029420dfecba76e3a [2021-10-28 08:52:12,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:52:12,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:52:12,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:52:12,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:52:12,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:52:12,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2021-10-28 08:52:13,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/data/75b4f204c/08fdd4b839f34b39bf697cf8055f1a23/FLAGcabd60647 [2021-10-28 08:52:13,563 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:52:13,563 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2021-10-28 08:52:13,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/data/75b4f204c/08fdd4b839f34b39bf697cf8055f1a23/FLAGcabd60647 [2021-10-28 08:52:13,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/data/75b4f204c/08fdd4b839f34b39bf697cf8055f1a23 [2021-10-28 08:52:13,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:52:13,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:52:13,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:52:13,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:52:13,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:52:13,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:52:13" (1/1) ... [2021-10-28 08:52:13,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76abfbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:13, skipping insertion in model container [2021-10-28 08:52:13,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:52:13" (1/1) ... [2021-10-28 08:52:13,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:52:13,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:52:14,276 WARN L228 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_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/sv-benchmarks/c/eca-rers2012/Problem01_label00.c[18976,18989] [2021-10-28 08:52:14,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:52:14,317 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:52:14,473 WARN L228 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_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/sv-benchmarks/c/eca-rers2012/Problem01_label00.c[18976,18989] [2021-10-28 08:52:14,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:52:14,516 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:52:14,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14 WrapperNode [2021-10-28 08:52:14,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:52:14,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:52:14,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:52:14,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:52:14,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:52:14,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:52:14,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:52:14,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:52:14,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:52:14,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:52:14,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:52:14,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:52:14,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (1/1) ... [2021-10-28 08:52:14,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:52:14,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:14,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:14,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:52:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:52:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:52:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:52:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:52:16,048 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:52:16,049 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 08:52:16,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:52:16 BoogieIcfgContainer [2021-10-28 08:52:16,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:52:16,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:52:16,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:52:16,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:52:16,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:52:13" (1/3) ... [2021-10-28 08:52:16,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adbd31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:52:16, skipping insertion in model container [2021-10-28 08:52:16,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:14" (2/3) ... [2021-10-28 08:52:16,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adbd31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:52:16, skipping insertion in model container [2021-10-28 08:52:16,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:52:16" (3/3) ... [2021-10-28 08:52:16,086 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label00.c [2021-10-28 08:52:16,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:52:16,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:52:16,164 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:52:16,177 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:52:16,177 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:52:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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) [2021-10-28 08:52:16,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-28 08:52:16,226 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:52:16,227 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:16,227 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:52:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:16,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1766677921, now seen corresponding path program 1 times [2021-10-28 08:52:16,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:16,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086338864] [2021-10-28 08:52:16,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:16,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:16,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:16,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:16,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086338864] [2021-10-28 08:52:16,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086338864] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:16,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:52:16,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:52:16,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044818880] [2021-10-28 08:52:16,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:52:16,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:52:16,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:52:16,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:52:16,876 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2021-10-28 08:52:18,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:52:18,025 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2021-10-28 08:52:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:52:18,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 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 108 [2021-10-28 08:52:18,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:52:18,056 INFO L225 Difference]: With dead ends: 662 [2021-10-28 08:52:18,057 INFO L226 Difference]: Without dead ends: 397 [2021-10-28 08:52:18,065 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:52:18,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-10-28 08:52:18,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2021-10-28 08:52:18,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3055555555555556) internal successors, (517), 396 states have internal predecessors, (517), 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) [2021-10-28 08:52:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2021-10-28 08:52:18,127 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 108 [2021-10-28 08:52:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:52:18,128 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2021-10-28 08:52:18,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2021-10-28 08:52:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2021-10-28 08:52:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-28 08:52:18,132 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:52:18,132 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2021-10-28 08:52:18,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:52:18,133 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:52:18,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:18,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1128519054, now seen corresponding path program 1 times [2021-10-28 08:52:18,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:18,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839601134] [2021-10-28 08:52:18,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:18,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:18,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:18,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839601134] [2021-10-28 08:52:18,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839601134] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:18,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:52:18,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:52:18,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239277567] [2021-10-28 08:52:18,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:52:18,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:52:18,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:52:18,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:52:18,346 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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) [2021-10-28 08:52:19,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:52:19,089 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2021-10-28 08:52:19,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:52:19,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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 115 [2021-10-28 08:52:19,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:52:19,094 INFO L225 Difference]: With dead ends: 887 [2021-10-28 08:52:19,094 INFO L226 Difference]: Without dead ends: 528 [2021-10-28 08:52:19,096 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:52:19,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-28 08:52:19,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2021-10-28 08:52:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.196969696969697) internal successors, (474), 396 states have internal predecessors, (474), 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) [2021-10-28 08:52:19,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2021-10-28 08:52:19,120 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 115 [2021-10-28 08:52:19,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:52:19,120 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2021-10-28 08:52:19,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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) [2021-10-28 08:52:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2021-10-28 08:52:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-28 08:52:19,124 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:52:19,124 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-10-28 08:52:19,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:52:19,125 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:52:19,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash 904621488, now seen corresponding path program 1 times [2021-10-28 08:52:19,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:19,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334591547] [2021-10-28 08:52:19,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:19,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:19,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:19,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:19,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334591547] [2021-10-28 08:52:19,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334591547] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:52:19,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136458305] [2021-10-28 08:52:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:19,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:52:19,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:19,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:52:19,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:52:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:19,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:52:19,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:52:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 08:52:19,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136458305] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:19,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:52:19,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:52:19,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220326770] [2021-10-28 08:52:19,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:52:19,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:52:19,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:52:19,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:52:19,963 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-10-28 08:52:20,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:52:20,372 INFO L93 Difference]: Finished difference Result 923 states and 1124 transitions. [2021-10-28 08:52:20,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:52:20,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 123 [2021-10-28 08:52:20,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:52:20,377 INFO L225 Difference]: With dead ends: 923 [2021-10-28 08:52:20,377 INFO L226 Difference]: Without dead ends: 528 [2021-10-28 08:52:20,378 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:52:20,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-28 08:52:20,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-10-28 08:52:20,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.1935483870967742) internal successors, (629), 527 states have internal predecessors, (629), 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) [2021-10-28 08:52:20,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 629 transitions. [2021-10-28 08:52:20,399 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 629 transitions. Word has length 123 [2021-10-28 08:52:20,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:52:20,399 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 629 transitions. [2021-10-28 08:52:20,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-10-28 08:52:20,420 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 629 transitions. [2021-10-28 08:52:20,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-28 08:52:20,426 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:52:20,427 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 08:52:20,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:20,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:52:20,648 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:52:20,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:20,649 INFO L85 PathProgramCache]: Analyzing trace with hash -981916918, now seen corresponding path program 1 times [2021-10-28 08:52:20,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:20,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149353962] [2021-10-28 08:52:20,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:20,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-28 08:52:20,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:20,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149353962] [2021-10-28 08:52:20,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149353962] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:52:20,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323017229] [2021-10-28 08:52:20,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:20,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:52:20,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:20,861 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:52:20,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 08:52:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:21,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:52:21,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:52:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-28 08:52:21,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323017229] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:21,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:52:21,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:52:21,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514222239] [2021-10-28 08:52:21,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:52:21,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:52:21,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:52:21,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:52:21,454 INFO L87 Difference]: Start difference. First operand 528 states and 629 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-10-28 08:52:21,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:52:21,852 INFO L93 Difference]: Finished difference Result 1447 states and 1748 transitions. [2021-10-28 08:52:21,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:52:21,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 139 [2021-10-28 08:52:21,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:52:21,858 INFO L225 Difference]: With dead ends: 1447 [2021-10-28 08:52:21,858 INFO L226 Difference]: Without dead ends: 921 [2021-10-28 08:52:21,859 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:52:21,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2021-10-28 08:52:21,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2021-10-28 08:52:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1869565217391305) internal successors, (1092), 920 states have internal predecessors, (1092), 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) [2021-10-28 08:52:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1092 transitions. [2021-10-28 08:52:21,893 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1092 transitions. Word has length 139 [2021-10-28 08:52:21,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:52:21,895 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1092 transitions. [2021-10-28 08:52:21,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-10-28 08:52:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1092 transitions. [2021-10-28 08:52:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-10-28 08:52:21,905 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:52:21,906 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:21,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:22,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:52:22,124 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:52:22,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:22,124 INFO L85 PathProgramCache]: Analyzing trace with hash -695153591, now seen corresponding path program 1 times [2021-10-28 08:52:22,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:22,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178356431] [2021-10-28 08:52:22,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:22,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:22,326 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-28 08:52:22,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:22,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178356431] [2021-10-28 08:52:22,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178356431] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:52:22,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152422735] [2021-10-28 08:52:22,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:22,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:52:22,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:22,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:52:22,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 08:52:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:22,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:52:22,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:52:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-28 08:52:22,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152422735] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:22,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:52:22,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:52:22,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208920754] [2021-10-28 08:52:22,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:52:22,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:52:22,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:52:22,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:52:22,960 INFO L87 Difference]: Start difference. First operand 921 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-10-28 08:52:23,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:52:23,389 INFO L93 Difference]: Finished difference Result 2624 states and 3092 transitions. [2021-10-28 08:52:23,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:52:23,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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 153 [2021-10-28 08:52:23,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:52:23,390 INFO L225 Difference]: With dead ends: 2624 [2021-10-28 08:52:23,390 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:52:23,393 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:52:23,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:52:23,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:52:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-28 08:52:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:52:23,394 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2021-10-28 08:52:23,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:52:23,394 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:52:23,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-10-28 08:52:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:52:23,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:52:23,398 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:52:23,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:23,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:52:23,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:52:23,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:52:23,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:52:23,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:52:23,749 INFO L857 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-10-28 08:52:23,749 INFO L857 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-10-28 08:52:23,749 INFO L857 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-10-28 08:52:23,749 INFO L857 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-10-28 08:52:23,750 INFO L857 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-10-28 08:52:23,750 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-10-28 08:52:23,750 INFO L857 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-10-28 08:52:23,750 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-10-28 08:52:23,750 INFO L857 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,751 INFO L857 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,751 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,751 INFO L857 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,751 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-10-28 08:52:23,751 INFO L857 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,751 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,752 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-10-28 08:52:23,752 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-10-28 08:52:23,752 INFO L857 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-10-28 08:52:23,752 INFO L857 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-10-28 08:52:23,752 INFO L857 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-10-28 08:52:23,752 INFO L857 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-10-28 08:52:23,753 INFO L857 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-10-28 08:52:23,753 INFO L857 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-10-28 08:52:23,753 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-10-28 08:52:23,753 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-10-28 08:52:23,753 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-10-28 08:52:23,754 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-10-28 08:52:23,754 INFO L857 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,754 INFO L857 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,754 INFO L857 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,754 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,754 INFO L857 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,755 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-10-28 08:52:23,755 INFO L857 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,755 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-10-28 08:52:23,755 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-10-28 08:52:23,755 INFO L857 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-10-28 08:52:23,755 INFO L857 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-10-28 08:52:23,756 INFO L857 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-10-28 08:52:23,756 INFO L857 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-10-28 08:52:23,756 INFO L857 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-10-28 08:52:23,756 INFO L857 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-10-28 08:52:23,756 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-10-28 08:52:23,757 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-10-28 08:52:23,757 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-10-28 08:52:23,757 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-10-28 08:52:23,757 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-10-28 08:52:23,757 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-10-28 08:52:23,757 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,758 INFO L857 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,758 INFO L857 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,758 INFO L857 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,758 INFO L857 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,758 INFO L857 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,758 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-10-28 08:52:23,759 INFO L857 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-10-28 08:52:23,759 INFO L857 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-10-28 08:52:23,759 INFO L857 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-28 08:52:23,759 INFO L857 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-10-28 08:52:23,759 INFO L857 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-28 08:52:23,759 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-28 08:52:23,760 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-10-28 08:52:23,760 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-10-28 08:52:23,760 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-10-28 08:52:23,760 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-10-28 08:52:23,760 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-10-28 08:52:23,761 INFO L857 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,761 INFO L857 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,761 INFO L857 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,761 INFO L857 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,761 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,761 INFO L857 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,762 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-10-28 08:52:23,762 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-10-28 08:52:23,762 INFO L857 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-10-28 08:52:23,762 INFO L857 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-10-28 08:52:23,762 INFO L857 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-10-28 08:52:23,762 INFO L857 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-10-28 08:52:23,763 INFO L857 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-10-28 08:52:23,763 INFO L857 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-10-28 08:52:23,763 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-10-28 08:52:23,763 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-10-28 08:52:23,763 INFO L857 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,763 INFO L857 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,764 INFO L857 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,764 INFO L857 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,764 INFO L857 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,764 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,764 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-10-28 08:52:23,765 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-10-28 08:52:23,765 INFO L857 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-10-28 08:52:23,765 INFO L857 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-10-28 08:52:23,765 INFO L857 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-10-28 08:52:23,765 INFO L857 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-10-28 08:52:23,765 INFO L857 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-10-28 08:52:23,766 INFO L857 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-10-28 08:52:23,766 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-10-28 08:52:23,766 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-10-28 08:52:23,766 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-10-28 08:52:23,766 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-10-28 08:52:23,766 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-10-28 08:52:23,767 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-10-28 08:52:23,767 INFO L857 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-10-28 08:52:23,767 INFO L857 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,767 INFO L857 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,767 INFO L857 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,767 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,768 INFO L857 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,768 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:52:23,768 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-10-28 08:52:23,768 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-10-28 08:52:23,768 INFO L857 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-10-28 08:52:23,769 INFO L857 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-10-28 08:52:23,769 INFO L857 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-10-28 08:52:23,769 INFO L857 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-10-28 08:52:23,769 INFO L857 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-28 08:52:23,769 INFO L857 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-10-28 08:52:23,769 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-10-28 08:52:23,770 INFO L853 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (or (not (= ~a7~0 1)) (<= ~a21~0 0) (<= ~a17~0 0) (<= ~a16~0 4)) [2021-10-28 08:52:23,770 INFO L857 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,770 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,770 INFO L857 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,771 INFO L857 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,771 INFO L857 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,771 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-10-28 08:52:23,771 INFO L857 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-10-28 08:52:23,771 INFO L857 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-10-28 08:52:23,771 INFO L857 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-10-28 08:52:23,772 INFO L857 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-10-28 08:52:23,772 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-10-28 08:52:23,772 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-10-28 08:52:23,772 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-10-28 08:52:23,772 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-10-28 08:52:23,772 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-10-28 08:52:23,773 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-10-28 08:52:23,773 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-10-28 08:52:23,773 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:52:23,773 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-10-28 08:52:23,773 INFO L860 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-10-28 08:52:23,774 INFO L857 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,774 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,774 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,774 INFO L857 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,774 INFO L857 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,774 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-10-28 08:52:23,775 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-10-28 08:52:23,775 INFO L857 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-10-28 08:52:23,775 INFO L857 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-10-28 08:52:23,775 INFO L857 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-10-28 08:52:23,775 INFO L857 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-10-28 08:52:23,775 INFO L857 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-10-28 08:52:23,776 INFO L857 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-10-28 08:52:23,776 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-10-28 08:52:23,776 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:52:23,776 INFO L857 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,776 INFO L857 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,776 INFO L857 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,777 INFO L857 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,777 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-10-28 08:52:23,777 INFO L857 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,777 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-10-28 08:52:23,777 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-10-28 08:52:23,777 INFO L857 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-10-28 08:52:23,778 INFO L857 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-10-28 08:52:23,778 INFO L857 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-10-28 08:52:23,778 INFO L857 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-28 08:52:23,778 INFO L857 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-10-28 08:52:23,778 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-10-28 08:52:23,779 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-10-28 08:52:23,779 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-10-28 08:52:23,779 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-10-28 08:52:23,779 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-10-28 08:52:23,779 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-10-28 08:52:23,779 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,780 INFO L853 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (or (not (= ~a7~0 1)) (<= ~a21~0 0) (<= ~a17~0 0) (<= ~a16~0 4)) [2021-10-28 08:52:23,780 INFO L857 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,780 INFO L857 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,780 INFO L857 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,780 INFO L857 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,780 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-10-28 08:52:23,781 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:52:23,781 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2021-10-28 08:52:23,781 INFO L857 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-10-28 08:52:23,781 INFO L857 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-10-28 08:52:23,781 INFO L857 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-10-28 08:52:23,781 INFO L857 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-10-28 08:52:23,782 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-28 08:52:23,782 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-10-28 08:52:23,782 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-10-28 08:52:23,782 INFO L857 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,782 INFO L857 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,782 INFO L857 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,783 INFO L857 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,783 INFO L857 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 08:52:23,783 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-10-28 08:52:23,783 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-10-28 08:52:23,783 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-10-28 08:52:23,783 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-10-28 08:52:23,787 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 08:52:23,788 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:52:23,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:52:23 BoogieIcfgContainer [2021-10-28 08:52:23,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:52:23,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:52:23,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:52:23,805 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:52:23,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:52:16" (3/4) ... [2021-10-28 08:52:23,808 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:52:23,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 08:52:23,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 08:52:23,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:52:23,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:52:23,959 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:52:23,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:52:23,961 INFO L168 Benchmark]: Toolchain (without parser) took 10123.36 ms. Allocated memory was 96.5 MB in the beginning and 174.1 MB in the end (delta: 77.6 MB). Free memory was 60.2 MB in the beginning and 108.0 MB in the end (delta: -47.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:23,961 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:52:23,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.84 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 55.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:23,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.19 ms. Allocated memory is still 96.5 MB. Free memory was 55.0 MB in the beginning and 49.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:23,963 INFO L168 Benchmark]: Boogie Preprocessor took 124.94 ms. Allocated memory is still 96.5 MB. Free memory was 49.5 MB in the beginning and 45.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:23,963 INFO L168 Benchmark]: RCFGBuilder took 1301.21 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 44.9 MB in the beginning and 43.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:23,964 INFO L168 Benchmark]: TraceAbstraction took 7748.90 ms. Allocated memory was 117.4 MB in the beginning and 174.1 MB in the end (delta: 56.6 MB). Free memory was 43.0 MB in the beginning and 122.7 MB in the end (delta: -79.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:52:23,964 INFO L168 Benchmark]: Witness Printer took 155.53 ms. Allocated memory is still 174.1 MB. Free memory was 122.7 MB in the beginning and 108.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:23,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 678.84 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 55.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.19 ms. Allocated memory is still 96.5 MB. Free memory was 55.0 MB in the beginning and 49.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.94 ms. Allocated memory is still 96.5 MB. Free memory was 49.5 MB in the beginning and 45.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1301.21 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 44.9 MB in the beginning and 43.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7748.90 ms. Allocated memory was 117.4 MB in the beginning and 174.1 MB in the end (delta: 56.6 MB). Free memory was 43.0 MB in the beginning and 122.7 MB in the end (delta: -79.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 155.53 ms. Allocated memory is still 174.1 MB. Free memory was 122.7 MB in the beginning and 108.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 510]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 671 SDtfs, 555 SDslu, 43 SDs, 0 SdLazy, 2159 SolverSat, 485 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=921occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 29 HoareAnnotationTreeSize, 3 FomulaSimplifications, 292 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1053 NumberOfCodeBlocks, 1053 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1045 ConstructedInterpolants, 0 QuantifiedInterpolants, 5821 SizeOfPredicates, 0 NumberOfNonLiveVariables, 948 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 303/312 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || a21 <= 0) || a17 <= 0) || a16 <= 4 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || a21 <= 0) || a17 <= 0) || a16 <= 4 RESULT: Ultimate proved your program to be correct! [2021-10-28 08:52:24,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf259eb-0e3c-4c3a-abf6-1ca76d90c345/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...