./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_AG313.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_AG313.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:50:05,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:50:05,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:50:05,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:50:05,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:50:05,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:50:05,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:50:05,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:50:05,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:50:05,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:50:05,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:50:05,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:50:05,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:50:05,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:50:05,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:50:05,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:50:05,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:50:05,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:50:05,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:50:05,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:50:05,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:50:05,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:50:05,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:50:05,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:50:05,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:50:05,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:50:05,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:50:05,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:50:05,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:50:05,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:50:05,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:50:05,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:50:05,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:50:05,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:50:05,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:50:05,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:50:05,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:50:05,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:50:05,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:50:05,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:50:05,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:50:05,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 02:50:05,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:50:05,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:50:05,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:50:05,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:50:05,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:50:05,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:50:05,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:50:05,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:50:05,883 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:50:05,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:50:05,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:50:05,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:50:05,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:50:05,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:50:05,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:50:05,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:50:05,886 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:50:05,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:50:05,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:50:05,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:50:05,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:50:05,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:50:05,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:50:05,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:50:05,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:50:05,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:50:05,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:50:05,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:50:05,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:50:05,890 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:50:05,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:50:05,891 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:50:05,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:50:05,892 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 [2022-11-23 02:50:06,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:50:06,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:50:06,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:50:06,247 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:50:06,247 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:50:06,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-restricted-15/java_AG313.c [2022-11-23 02:50:09,481 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:50:09,767 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:50:09,768 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/sv-benchmarks/c/termination-restricted-15/java_AG313.c [2022-11-23 02:50:09,774 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/data/183c10f29/8551000a9d13448bad92aab131cc9533/FLAGc97610d96 [2022-11-23 02:50:09,798 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/data/183c10f29/8551000a9d13448bad92aab131cc9533 [2022-11-23 02:50:09,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:50:09,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:50:09,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:50:09,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:50:09,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:50:09,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:09" (1/1) ... [2022-11-23 02:50:09,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c906a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:09, skipping insertion in model container [2022-11-23 02:50:09,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:09" (1/1) ... [2022-11-23 02:50:09,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:50:09,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:50:10,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:50:10,050 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:50:10,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:50:10,084 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:50:10,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10 WrapperNode [2022-11-23 02:50:10,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:50:10,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:50:10,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:50:10,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:50:10,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,115 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-11-23 02:50:10,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:50:10,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:50:10,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:50:10,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:50:10,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:50:10,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:50:10,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:50:10,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:50:10,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (1/1) ... [2022-11-23 02:50:10,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:50:10,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:50:10,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:50:10,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:50:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:50:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:50:10,309 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:50:10,312 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:50:10,419 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:50:10,426 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:50:10,427 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 02:50:10,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:10 BoogieIcfgContainer [2022-11-23 02:50:10,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:50:10,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:50:10,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:50:10,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:50:10,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:50:09" (1/3) ... [2022-11-23 02:50:10,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390eb4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:10, skipping insertion in model container [2022-11-23 02:50:10,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:10" (2/3) ... [2022-11-23 02:50:10,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390eb4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:10, skipping insertion in model container [2022-11-23 02:50:10,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:10" (3/3) ... [2022-11-23 02:50:10,440 INFO L112 eAbstractionObserver]: Analyzing ICFG java_AG313.c [2022-11-23 02:50:10,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:50:10,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-23 02:50:10,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:50:10,552 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44a662fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:50:10,553 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 02:50:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 23 states have internal predecessors, (26), 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) [2022-11-23 02:50:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 02:50:10,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:10,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 02:50:10,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:10,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:10,574 INFO L85 PathProgramCache]: Analyzing trace with hash 28693987, now seen corresponding path program 1 times [2022-11-23 02:50:10,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:10,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890493641] [2022-11-23 02:50:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:10,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:10,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:10,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890493641] [2022-11-23 02:50:10,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890493641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:10,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:10,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:50:10,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770161816] [2022-11-23 02:50:10,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:10,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:50:10,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:10,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:50:10,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:10,832 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-23 02:50:10,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:10,886 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2022-11-23 02:50:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:50:10,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-23 02:50:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:10,898 INFO L225 Difference]: With dead ends: 28 [2022-11-23 02:50:10,910 INFO L226 Difference]: Without dead ends: 19 [2022-11-23 02:50:10,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:10,918 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 19 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:10,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 22 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:50:10,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-23 02:50:10,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-23 02:50:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-11-23 02:50:10,975 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 5 [2022-11-23 02:50:10,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:10,976 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-11-23 02:50:10,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-23 02:50:10,977 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-11-23 02:50:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 02:50:10,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:10,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 02:50:10,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:50:10,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:10,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:10,979 INFO L85 PathProgramCache]: Analyzing trace with hash 889513645, now seen corresponding path program 1 times [2022-11-23 02:50:10,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:10,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058183210] [2022-11-23 02:50:10,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:10,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:11,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:11,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058183210] [2022-11-23 02:50:11,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058183210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:11,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:11,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:50:11,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585398985] [2022-11-23 02:50:11,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:11,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:50:11,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:11,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:50:11,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,073 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-23 02:50:11,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:11,086 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-11-23 02:50:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:50:11,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-23 02:50:11,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:11,088 INFO L225 Difference]: With dead ends: 23 [2022-11-23 02:50:11,088 INFO L226 Difference]: Without dead ends: 22 [2022-11-23 02:50:11,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,091 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:11,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:50:11,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-23 02:50:11,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-23 02:50:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 21 states have internal predecessors, (22), 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) [2022-11-23 02:50:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-11-23 02:50:11,098 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 6 [2022-11-23 02:50:11,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:11,099 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-11-23 02:50:11,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-23 02:50:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-11-23 02:50:11,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 02:50:11,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:11,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:11,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:50:11,101 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:11,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:11,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1805119269, now seen corresponding path program 1 times [2022-11-23 02:50:11,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:11,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476992569] [2022-11-23 02:50:11,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:11,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:11,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:11,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476992569] [2022-11-23 02:50:11,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476992569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:11,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:11,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:50:11,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420959246] [2022-11-23 02:50:11,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:11,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:50:11,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:11,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:50:11,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,193 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-23 02:50:11,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:11,231 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-11-23 02:50:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:50:11,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-23 02:50:11,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:11,237 INFO L225 Difference]: With dead ends: 22 [2022-11-23 02:50:11,238 INFO L226 Difference]: Without dead ends: 21 [2022-11-23 02:50:11,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,240 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:11,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:50:11,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-23 02:50:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-23 02:50:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.4) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-23 02:50:11,245 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 7 [2022-11-23 02:50:11,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:11,246 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-11-23 02:50:11,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-23 02:50:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-23 02:50:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 02:50:11,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:11,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:11,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:50:11,248 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:11,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:11,249 INFO L85 PathProgramCache]: Analyzing trace with hash 124122543, now seen corresponding path program 1 times [2022-11-23 02:50:11,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:11,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963703456] [2022-11-23 02:50:11,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:11,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:11,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:11,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963703456] [2022-11-23 02:50:11,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963703456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:11,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:11,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:50:11,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781893945] [2022-11-23 02:50:11,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:11,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:50:11,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:11,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:50:11,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,326 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:11,346 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-11-23 02:50:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:50:11,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 02:50:11,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:11,348 INFO L225 Difference]: With dead ends: 21 [2022-11-23 02:50:11,348 INFO L226 Difference]: Without dead ends: 20 [2022-11-23 02:50:11,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,350 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:11,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 10 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:50:11,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-23 02:50:11,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-23 02:50:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 19 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-11-23 02:50:11,372 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 8 [2022-11-23 02:50:11,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:11,372 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-11-23 02:50:11,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-11-23 02:50:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 02:50:11,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:11,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:11,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:50:11,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:11,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:11,376 INFO L85 PathProgramCache]: Analyzing trace with hash -447168409, now seen corresponding path program 1 times [2022-11-23 02:50:11,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:11,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534525581] [2022-11-23 02:50:11,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:11,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:11,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:11,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534525581] [2022-11-23 02:50:11,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534525581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:11,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:11,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:50:11,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620972096] [2022-11-23 02:50:11,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:11,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:50:11,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:11,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:50:11,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,451 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:11,472 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-11-23 02:50:11,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:50:11,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 02:50:11,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:11,474 INFO L225 Difference]: With dead ends: 20 [2022-11-23 02:50:11,474 INFO L226 Difference]: Without dead ends: 19 [2022-11-23 02:50:11,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,476 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:11,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:50:11,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-23 02:50:11,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-23 02:50:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-11-23 02:50:11,483 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 9 [2022-11-23 02:50:11,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:11,484 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-11-23 02:50:11,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-11-23 02:50:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 02:50:11,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:11,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:11,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 02:50:11,486 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:11,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:11,487 INFO L85 PathProgramCache]: Analyzing trace with hash -977318735, now seen corresponding path program 1 times [2022-11-23 02:50:11,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:11,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607187612] [2022-11-23 02:50:11,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:11,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:11,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:11,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:11,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607187612] [2022-11-23 02:50:11,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607187612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:11,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:11,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:50:11,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836800129] [2022-11-23 02:50:11,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:11,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:50:11,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:11,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:50:11,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,534 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:11,549 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-23 02:50:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:50:11,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-23 02:50:11,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:11,550 INFO L225 Difference]: With dead ends: 19 [2022-11-23 02:50:11,551 INFO L226 Difference]: Without dead ends: 18 [2022-11-23 02:50:11,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:11,553 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:11,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:50:11,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-23 02:50:11,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-23 02:50:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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) [2022-11-23 02:50:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-23 02:50:11,559 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 10 [2022-11-23 02:50:11,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:11,560 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-23 02:50:11,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-23 02:50:11,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 02:50:11,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:11,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:11,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 02:50:11,562 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:11,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:11,563 INFO L85 PathProgramCache]: Analyzing trace with hash -232109655, now seen corresponding path program 1 times [2022-11-23 02:50:11,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:11,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214342647] [2022-11-23 02:50:11,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:11,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:11,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:11,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214342647] [2022-11-23 02:50:11,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214342647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:11,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:11,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:50:11,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790253977] [2022-11-23 02:50:11,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:11,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:50:11,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:11,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:50:11,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:50:11,702 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-23 02:50:11,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:11,740 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-11-23 02:50:11,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:50:11,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 02:50:11,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:11,742 INFO L225 Difference]: With dead ends: 18 [2022-11-23 02:50:11,742 INFO L226 Difference]: Without dead ends: 17 [2022-11-23 02:50:11,743 INFO L412 NwaCegarLoop]: 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 [2022-11-23 02:50:11,744 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:11,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:50:11,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-23 02:50:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-23 02:50:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-11-23 02:50:11,751 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 11 [2022-11-23 02:50:11,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:11,751 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-11-23 02:50:11,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-23 02:50:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-11-23 02:50:11,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 02:50:11,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:11,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:11,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 02:50:11,753 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:11,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:11,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1394535347, now seen corresponding path program 1 times [2022-11-23 02:50:11,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:11,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429960934] [2022-11-23 02:50:11,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:11,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:11,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:11,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429960934] [2022-11-23 02:50:11,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429960934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:11,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:11,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:50:11,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080434116] [2022-11-23 02:50:11,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:11,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:50:11,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:11,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:50:11,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:50:11,814 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-11-23 02:50:11,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:11,842 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-11-23 02:50:11,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:50:11,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 02:50:11,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:11,844 INFO L225 Difference]: With dead ends: 17 [2022-11-23 02:50:11,844 INFO L226 Difference]: Without dead ends: 16 [2022-11-23 02:50:11,845 INFO L412 NwaCegarLoop]: 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 [2022-11-23 02:50:11,846 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 10 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:11,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 7 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:50:11,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-23 02:50:11,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-23 02:50:11,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-11-23 02:50:11,852 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2022-11-23 02:50:11,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:11,853 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-11-23 02:50:11,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2022-11-23 02:50:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-11-23 02:50:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 02:50:11,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:11,854 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:11,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 02:50:11,855 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:11,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:11,856 INFO L85 PathProgramCache]: Analyzing trace with hash -616087973, now seen corresponding path program 1 times [2022-11-23 02:50:11,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:11,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655215625] [2022-11-23 02:50:11,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:11,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:11,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655215625] [2022-11-23 02:50:11,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655215625] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:50:11,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334268536] [2022-11-23 02:50:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:11,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:50:11,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:50:11,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:50:11,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 02:50:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:11,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 02:50:11,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:50:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:12,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:50:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:12,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334268536] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:50:12,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:50:12,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-23 02:50:12,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394668002] [2022-11-23 02:50:12,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:50:12,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:50:12,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:12,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:50:12,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:50:12,102 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2022-11-23 02:50:12,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:12,133 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2022-11-23 02:50:12,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:50:12,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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 15 [2022-11-23 02:50:12,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:12,135 INFO L225 Difference]: With dead ends: 44 [2022-11-23 02:50:12,135 INFO L226 Difference]: Without dead ends: 43 [2022-11-23 02:50:12,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:50:12,137 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:12,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 41 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:50:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-23 02:50:12,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-23 02:50:12,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 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) [2022-11-23 02:50:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2022-11-23 02:50:12,144 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 15 [2022-11-23 02:50:12,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:12,145 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2022-11-23 02:50:12,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2022-11-23 02:50:12,146 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-11-23 02:50:12,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 02:50:12,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:12,147 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2022-11-23 02:50:12,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:50:12,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:50:12,363 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:12,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:12,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1635581485, now seen corresponding path program 2 times [2022-11-23 02:50:12,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:12,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299564490] [2022-11-23 02:50:12,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:12,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:12,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:12,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299564490] [2022-11-23 02:50:12,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299564490] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:50:12,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235433716] [2022-11-23 02:50:12,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 02:50:12,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:50:12,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:50:12,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:50:12,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 02:50:12,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 02:50:12,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:50:12,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 02:50:12,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:50:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:12,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:50:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:13,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235433716] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:50:13,022 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:50:13,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-23 02:50:13,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44970742] [2022-11-23 02:50:13,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:50:13,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 02:50:13,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:13,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 02:50:13,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:50:13,029 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2022-11-23 02:50:13,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:13,128 INFO L93 Difference]: Finished difference Result 98 states and 103 transitions. [2022-11-23 02:50:13,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 02:50:13,129 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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 42 [2022-11-23 02:50:13,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:13,131 INFO L225 Difference]: With dead ends: 98 [2022-11-23 02:50:13,134 INFO L226 Difference]: Without dead ends: 97 [2022-11-23 02:50:13,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:50:13,136 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 32 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:13,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 83 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:50:13,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-23 02:50:13,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-23 02:50:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.0104166666666667) internal successors, (97), 96 states have internal predecessors, (97), 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) [2022-11-23 02:50:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2022-11-23 02:50:13,156 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 42 [2022-11-23 02:50:13,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:13,157 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2022-11-23 02:50:13,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 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) [2022-11-23 02:50:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2022-11-23 02:50:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-23 02:50:13,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:13,160 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2022-11-23 02:50:13,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 02:50:13,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 02:50:13,361 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:13,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:13,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1587652243, now seen corresponding path program 3 times [2022-11-23 02:50:13,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:13,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913006570] [2022-11-23 02:50:13,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:13,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:13,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:13,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913006570] [2022-11-23 02:50:13,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913006570] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:50:13,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118161634] [2022-11-23 02:50:13,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 02:50:13,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:50:13,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:50:13,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:50:13,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 02:50:13,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-23 02:50:13,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:50:13,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 02:50:13,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:50:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:14,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:50:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:14,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118161634] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:50:14,606 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:50:14,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-11-23 02:50:14,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610531949] [2022-11-23 02:50:14,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:50:14,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-23 02:50:14,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:14,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-23 02:50:14,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-23 02:50:14,612 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand has 24 states, 23 states have (on average 8.304347826086957) internal successors, (191), 24 states have internal predecessors, (191), 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) [2022-11-23 02:50:14,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:14,731 INFO L93 Difference]: Finished difference Result 206 states and 217 transitions. [2022-11-23 02:50:14,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-23 02:50:14,731 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.304347826086957) internal successors, (191), 24 states have internal predecessors, (191), 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 96 [2022-11-23 02:50:14,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:14,741 INFO L225 Difference]: With dead ends: 206 [2022-11-23 02:50:14,742 INFO L226 Difference]: Without dead ends: 205 [2022-11-23 02:50:14,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-23 02:50:14,745 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 71 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:14,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 167 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:50:14,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-11-23 02:50:14,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-11-23 02:50:14,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.0049019607843137) internal successors, (205), 204 states have internal predecessors, (205), 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) [2022-11-23 02:50:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2022-11-23 02:50:14,780 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 96 [2022-11-23 02:50:14,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:14,782 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2022-11-23 02:50:14,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.304347826086957) internal successors, (191), 24 states have internal predecessors, (191), 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) [2022-11-23 02:50:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2022-11-23 02:50:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-23 02:50:14,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:14,793 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2022-11-23 02:50:14,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 02:50:14,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 02:50:15,000 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:15,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:15,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1541521427, now seen corresponding path program 4 times [2022-11-23 02:50:15,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:15,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352108931] [2022-11-23 02:50:15,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:15,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:16,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:16,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352108931] [2022-11-23 02:50:16,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352108931] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:50:16,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055437417] [2022-11-23 02:50:16,023 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 02:50:16,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:50:16,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:50:16,025 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:50:16,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 02:50:16,153 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 02:50:16,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:50:16,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-23 02:50:16,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:50:16,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:16,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:50:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:17,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055437417] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:50:17,798 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:50:17,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2022-11-23 02:50:17,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084191515] [2022-11-23 02:50:17,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:50:17,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-23 02:50:17,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:17,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-23 02:50:17,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-23 02:50:17,802 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand has 48 states, 47 states have (on average 8.659574468085106) internal successors, (407), 48 states have internal predecessors, (407), 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) [2022-11-23 02:50:18,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:18,065 INFO L93 Difference]: Finished difference Result 422 states and 445 transitions. [2022-11-23 02:50:18,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-23 02:50:18,066 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 8.659574468085106) internal successors, (407), 48 states have internal predecessors, (407), 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 204 [2022-11-23 02:50:18,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:18,070 INFO L225 Difference]: With dead ends: 422 [2022-11-23 02:50:18,070 INFO L226 Difference]: Without dead ends: 421 [2022-11-23 02:50:18,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-23 02:50:18,072 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 142 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:18,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 339 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:50:18,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-11-23 02:50:18,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2022-11-23 02:50:18,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.0023809523809524) internal successors, (421), 420 states have internal predecessors, (421), 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) [2022-11-23 02:50:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 421 transitions. [2022-11-23 02:50:18,119 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 421 transitions. Word has length 204 [2022-11-23 02:50:18,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:18,120 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 421 transitions. [2022-11-23 02:50:18,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 8.659574468085106) internal successors, (407), 48 states have internal predecessors, (407), 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) [2022-11-23 02:50:18,120 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 421 transitions. [2022-11-23 02:50:18,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-11-23 02:50:18,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:18,127 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1] [2022-11-23 02:50:18,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 02:50:18,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:50:18,333 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:18,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:18,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1052953837, now seen corresponding path program 5 times [2022-11-23 02:50:18,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:18,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865723679] [2022-11-23 02:50:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:22,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:22,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865723679] [2022-11-23 02:50:22,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865723679] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:50:22,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526374488] [2022-11-23 02:50:22,141 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-23 02:50:22,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:50:22,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:50:22,142 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:50:22,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 02:50:22,394 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-11-23 02:50:22,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:50:22,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-23 02:50:22,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:50:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:23,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:50:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:27,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526374488] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:50:27,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:50:27,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2022-11-23 02:50:27,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095914774] [2022-11-23 02:50:27,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:50:27,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-11-23 02:50:27,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:27,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-11-23 02:50:27,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-11-23 02:50:27,344 INFO L87 Difference]: Start difference. First operand 421 states and 421 transitions. Second operand has 96 states, 95 states have (on average 8.83157894736842) internal successors, (839), 96 states have internal predecessors, (839), 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) [2022-11-23 02:50:28,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:28,082 INFO L93 Difference]: Finished difference Result 854 states and 901 transitions. [2022-11-23 02:50:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-23 02:50:28,083 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 8.83157894736842) internal successors, (839), 96 states have internal predecessors, (839), 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 420 [2022-11-23 02:50:28,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:28,087 INFO L225 Difference]: With dead ends: 854 [2022-11-23 02:50:28,087 INFO L226 Difference]: Without dead ends: 853 [2022-11-23 02:50:28,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 792 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-11-23 02:50:28,095 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 290 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:28,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 676 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 02:50:28,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2022-11-23 02:50:28,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2022-11-23 02:50:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.0011737089201878) internal successors, (853), 852 states have internal predecessors, (853), 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) [2022-11-23 02:50:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 853 transitions. [2022-11-23 02:50:28,133 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 853 transitions. Word has length 420 [2022-11-23 02:50:28,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:28,134 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 853 transitions. [2022-11-23 02:50:28,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 8.83157894736842) internal successors, (839), 96 states have internal predecessors, (839), 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) [2022-11-23 02:50:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 853 transitions. [2022-11-23 02:50:28,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2022-11-23 02:50:28,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:28,161 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1] [2022-11-23 02:50:28,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 02:50:28,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:50:28,379 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:28,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:28,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1709250835, now seen corresponding path program 6 times [2022-11-23 02:50:28,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:28,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133876303] [2022-11-23 02:50:28,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:28,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 39621 backedges. 0 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:39,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:39,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133876303] [2022-11-23 02:50:39,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133876303] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:50:39,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287266730] [2022-11-23 02:50:39,376 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-23 02:50:39,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:50:39,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:50:39,379 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:50:39,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 02:50:39,922 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-11-23 02:50:39,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:50:39,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-23 02:50:39,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:50:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 39621 backedges. 0 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:41,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:50:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 39621 backedges. 0 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:54,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287266730] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:50:54,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:50:54,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2022-11-23 02:50:54,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800311355] [2022-11-23 02:50:54,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:50:54,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-11-23 02:50:54,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:54,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-11-23 02:50:54,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-11-23 02:50:54,462 INFO L87 Difference]: Start difference. First operand 853 states and 853 transitions. Second operand has 192 states, 191 states have (on average 8.916230366492147) internal successors, (1703), 192 states have internal predecessors, (1703), 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) [2022-11-23 02:50:57,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:50:57,694 INFO L93 Difference]: Finished difference Result 1718 states and 1813 transitions. [2022-11-23 02:50:57,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-11-23 02:50:57,695 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 8.916230366492147) internal successors, (1703), 192 states have internal predecessors, (1703), 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 852 [2022-11-23 02:50:57,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:50:57,703 INFO L225 Difference]: With dead ends: 1718 [2022-11-23 02:50:57,703 INFO L226 Difference]: Without dead ends: 1717 [2022-11-23 02:50:57,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1798 GetRequests, 1608 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-11-23 02:50:57,708 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 574 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 02:50:57,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 1348 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 02:50:57,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-11-23 02:50:57,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2022-11-23 02:50:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1716 states have (on average 1.0005827505827505) internal successors, (1717), 1716 states have internal predecessors, (1717), 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) [2022-11-23 02:50:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 1717 transitions. [2022-11-23 02:50:57,763 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 1717 transitions. Word has length 852 [2022-11-23 02:50:57,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:50:57,765 INFO L495 AbstractCegarLoop]: Abstraction has 1717 states and 1717 transitions. [2022-11-23 02:50:57,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 8.916230366492147) internal successors, (1703), 192 states have internal predecessors, (1703), 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) [2022-11-23 02:50:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 1717 transitions. [2022-11-23 02:50:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1717 [2022-11-23 02:50:57,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:50:57,837 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 190, 190, 190, 190, 1, 1, 1, 1] [2022-11-23 02:50:57,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 02:50:58,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 02:50:58,038 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:50:58,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:58,039 INFO L85 PathProgramCache]: Analyzing trace with hash -182248723, now seen corresponding path program 7 times [2022-11-23 02:50:58,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:58,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575377242] [2022-11-23 02:50:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:58,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:51:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 162165 backedges. 0 proven. 162165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:51:41,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:51:41,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575377242] [2022-11-23 02:51:41,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575377242] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:51:41,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843841073] [2022-11-23 02:51:41,227 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 02:51:41,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:51:41,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:51:41,231 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:51:41,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 02:51:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:51:41,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 192 conjunts are in the unsatisfiable core [2022-11-23 02:51:41,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:51:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 162165 backedges. 0 proven. 162165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:51:44,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:52:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 162165 backedges. 0 proven. 162165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:52:31,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843841073] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:52:31,141 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:52:31,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2022-11-23 02:52:31,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058879270] [2022-11-23 02:52:31,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:52:31,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2022-11-23 02:52:31,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:52:31,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2022-11-23 02:52:31,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2022-11-23 02:52:31,183 INFO L87 Difference]: Start difference. First operand 1717 states and 1717 transitions. Second operand has 384 states, 383 states have (on average 8.95822454308094) internal successors, (3431), 384 states have internal predecessors, (3431), 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) [2022-11-23 02:52:42,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:52:42,653 INFO L93 Difference]: Finished difference Result 3446 states and 3637 transitions. [2022-11-23 02:52:42,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-11-23 02:52:42,656 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 8.95822454308094) internal successors, (3431), 384 states have internal predecessors, (3431), 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 1716 [2022-11-23 02:52:42,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:52:42,668 INFO L225 Difference]: With dead ends: 3446 [2022-11-23 02:52:42,669 INFO L226 Difference]: Without dead ends: 3445 [2022-11-23 02:52:42,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3622 GetRequests, 3240 SyntacticMatches, 0 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58.6s TimeCoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2022-11-23 02:52:42,683 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1152 mSDsluCounter, 2678 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 2689 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:52:42,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 2689 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 02:52:42,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3445 states. [2022-11-23 02:52:42,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3445 to 3445. [2022-11-23 02:52:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 3444 states have (on average 1.0002903600464577) internal successors, (3445), 3444 states have internal predecessors, (3445), 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) [2022-11-23 02:52:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 3445 transitions. [2022-11-23 02:52:42,765 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 3445 transitions. Word has length 1716 [2022-11-23 02:52:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:52:42,768 INFO L495 AbstractCegarLoop]: Abstraction has 3445 states and 3445 transitions. [2022-11-23 02:52:42,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 8.95822454308094) internal successors, (3431), 384 states have internal predecessors, (3431), 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) [2022-11-23 02:52:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 3445 transitions. [2022-11-23 02:52:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3445 [2022-11-23 02:52:42,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:52:42,875 INFO L195 NwaCegarLoop]: trace histogram [383, 383, 382, 382, 382, 382, 382, 382, 382, 1, 1, 1, 1] [2022-11-23 02:52:42,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 02:52:43,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 02:52:43,077 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:52:43,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:52:43,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1671724307, now seen corresponding path program 8 times [2022-11-23 02:52:43,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:52:43,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43780794] [2022-11-23 02:52:43,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:52:43,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:52:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 656085 backedges. 0 proven. 656085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:56:59,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:56:59,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43780794] [2022-11-23 02:56:59,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43780794] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:56:59,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250064769] [2022-11-23 02:56:59,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 02:56:59,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:56:59,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:56:59,335 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:56:59,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 02:57:00,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 02:57:00,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:57:00,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 5362 conjuncts, 384 conjunts are in the unsatisfiable core [2022-11-23 02:57:00,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:57:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 656085 backedges. 0 proven. 656085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:57:06,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:00:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 656085 backedges. 0 proven. 656085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:00:09,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250064769] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:00:09,784 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 03:00:09,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [384, 384, 384] total 767 [2022-11-23 03:00:09,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296048416] [2022-11-23 03:00:09,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 03:00:09,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 768 states [2022-11-23 03:00:09,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:00:09,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 768 interpolants. [2022-11-23 03:00:09,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2022-11-23 03:00:09,886 INFO L87 Difference]: Start difference. First operand 3445 states and 3445 transitions. Second operand has 768 states, 767 states have (on average 8.979139504563234) internal successors, (6887), 768 states have internal predecessors, (6887), 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) [2022-11-23 03:01:53,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:01:53,944 INFO L93 Difference]: Finished difference Result 6902 states and 7285 transitions. [2022-11-23 03:01:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 768 states. [2022-11-23 03:01:53,947 INFO L78 Accepts]: Start accepts. Automaton has has 768 states, 767 states have (on average 8.979139504563234) internal successors, (6887), 768 states have internal predecessors, (6887), 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 3444 [2022-11-23 03:01:53,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:01:53,970 INFO L225 Difference]: With dead ends: 6902 [2022-11-23 03:01:53,970 INFO L226 Difference]: Without dead ends: 6901 [2022-11-23 03:01:54,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7270 GetRequests, 6504 SyntacticMatches, 0 SemanticMatches, 766 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 236.0s TimeCoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2022-11-23 03:01:54,006 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2305 mSDsluCounter, 5370 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2305 SdHoareTripleChecker+Valid, 5381 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-23 03:01:54,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2305 Valid, 5381 Invalid, 1932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [390 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-23 03:01:54,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6901 states. [2022-11-23 03:01:54,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6901 to 6901. [2022-11-23 03:01:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6901 states, 6900 states have (on average 1.000144927536232) internal successors, (6901), 6900 states have internal predecessors, (6901), 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) [2022-11-23 03:01:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6901 states to 6901 states and 6901 transitions. [2022-11-23 03:01:54,172 INFO L78 Accepts]: Start accepts. Automaton has 6901 states and 6901 transitions. Word has length 3444 [2022-11-23 03:01:54,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:01:54,175 INFO L495 AbstractCegarLoop]: Abstraction has 6901 states and 6901 transitions. [2022-11-23 03:01:54,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 768 states, 767 states have (on average 8.979139504563234) internal successors, (6887), 768 states have internal predecessors, (6887), 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) [2022-11-23 03:01:54,178 INFO L276 IsEmpty]: Start isEmpty. Operand 6901 states and 6901 transitions. [2022-11-23 03:01:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6901 [2022-11-23 03:01:54,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:01:54,430 INFO L195 NwaCegarLoop]: trace histogram [767, 767, 766, 766, 766, 766, 766, 766, 766, 1, 1, 1, 1] [2022-11-23 03:01:54,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 03:01:54,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d220b04d-6ef8-4852-b878-92c9c92fcb78/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-23 03:01:54,630 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:01:54,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:01:54,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1349758227, now seen corresponding path program 9 times [2022-11-23 03:01:54,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:01:54,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501132711] [2022-11-23 03:01:54,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:01:54,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:01:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat