./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:30,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:30,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 10:47:30,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:30,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:30,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:30,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:30,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:30,454 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:30,459 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:30,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:30,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:30,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:30,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:30,465 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:30,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:30,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:30,467 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:47:30,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:47:30,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:47:30,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:30,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:30,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:30,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:30,471 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:47:30,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:47:30,472 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:47:30,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:30,473 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:30,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:30,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:30,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:47:30,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:30,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:30,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:30,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:30,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:30,479 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:47:30,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:47:30,499 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:30,500 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:30,501 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:30,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:30,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:30,502 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e [2023-11-26 10:47:30,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:30,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:30,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:30,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:30,846 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:30,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2023-11-26 10:47:34,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:34,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:34,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2023-11-26 10:47:34,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/data/e9bd61f64/ed840b9c0a59484c9c8b0935d30e1b7b/FLAGdcd479902 [2023-11-26 10:47:34,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/data/e9bd61f64/ed840b9c0a59484c9c8b0935d30e1b7b [2023-11-26 10:47:34,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:34,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:34,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:34,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:34,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:34,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad2359f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34, skipping insertion in model container [2023-11-26 10:47:34,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:35,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:35,799 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:36,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:36,121 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:47:36,130 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:36,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36 WrapperNode [2023-11-26 10:47:36,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:36,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:36,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:36,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:36,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,485 INFO L138 Inliner]: procedures = 177, calls = 525, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3140 [2023-11-26 10:47:36,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:36,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:36,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:36,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:36,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,565 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,735 INFO L175 MemorySlicer]: Split 490 memory accesses to 5 slices as follows [2, 372, 106, 5, 5]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 88 writes are split as follows [0, 82, 4, 1, 1]. [2023-11-26 10:47:36,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:36,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:36,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:36,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:36,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (1/1) ... [2023-11-26 10:47:36,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:36,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:37,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:37,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-11-26 10:47:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-11-26 10:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:47:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:47:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:47:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-26 10:47:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-26 10:47:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:47:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:47:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:47:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:47:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:47:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 10:47:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 10:47:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 10:47:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 10:47:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 10:47:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 10:47:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 10:47:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 10:47:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 10:47:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 10:47:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:47:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:47:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:47:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:47:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:47:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:47:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:47:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-26 10:47:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:47:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:47:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:47:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:47:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:47:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:47:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:47:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:47:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:47:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:47:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:47:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:37,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:37,540 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:37,543 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:41,163 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:41,242 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:41,242 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-11-26 10:47:41,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:41 BoogieIcfgContainer [2023-11-26 10:47:41,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:41,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:47:41,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:47:41,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:47:41,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:47:34" (1/3) ... [2023-11-26 10:47:41,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e7b566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:41, skipping insertion in model container [2023-11-26 10:47:41,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:36" (2/3) ... [2023-11-26 10:47:41,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e7b566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:41, skipping insertion in model container [2023-11-26 10:47:41,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:41" (3/3) ... [2023-11-26 10:47:41,253 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test10-1.i [2023-11-26 10:47:41,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:47:41,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-26 10:47:41,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:47:41,371 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e69625e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:47:41,371 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-26 10:47:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 917 states, 893 states have (on average 1.717805151175812) internal successors, (1534), 903 states have internal predecessors, (1534), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 10:47:41,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-26 10:47:41,392 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:41,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-26 10:47:41,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:41,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:41,403 INFO L85 PathProgramCache]: Analyzing trace with hash 717602495, now seen corresponding path program 1 times [2023-11-26 10:47:41,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:41,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435597991] [2023-11-26 10:47:41,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:41,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:41,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:41,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435597991] [2023-11-26 10:47:41,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:47:41,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879592206] [2023-11-26 10:47:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:41,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:41,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:41,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:41,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:47:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:47:42,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:42,066 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:42,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879592206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:42,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:42,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980916543] [2023-11-26 10:47:42,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:42,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:47:42,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:42,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:47:42,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:47:42,118 INFO L87 Difference]: Start difference. First operand has 917 states, 893 states have (on average 1.717805151175812) internal successors, (1534), 903 states have internal predecessors, (1534), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2023-11-26 10:47:42,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:42,302 INFO L93 Difference]: Finished difference Result 1832 states and 3130 transitions. [2023-11-26 10:47:42,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:47:42,305 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2023-11-26 10:47:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:42,335 INFO L225 Difference]: With dead ends: 1832 [2023-11-26 10:47:42,335 INFO L226 Difference]: Without dead ends: 913 [2023-11-26 10:47:42,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:47:42,350 INFO L413 NwaCegarLoop]: 1397 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:42,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1397 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:42,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2023-11-26 10:47:42,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 913. [2023-11-26 10:47:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 890 states have (on average 1.5404494382022471) internal successors, (1371), 900 states have internal predecessors, (1371), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 10:47:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1398 transitions. [2023-11-26 10:47:42,486 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1398 transitions. Word has length 6 [2023-11-26 10:47:42,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:42,487 INFO L495 AbstractCegarLoop]: Abstraction has 913 states and 1398 transitions. [2023-11-26 10:47:42,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2023-11-26 10:47:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1398 transitions. [2023-11-26 10:47:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-26 10:47:42,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:42,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-26 10:47:42,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:42,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 10:47:42,697 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:42,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:42,698 INFO L85 PathProgramCache]: Analyzing trace with hash 717604417, now seen corresponding path program 1 times [2023-11-26 10:47:42,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:42,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949565810] [2023-11-26 10:47:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:42,759 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:42,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1825771131] [2023-11-26 10:47:42,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:42,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:42,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:42,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:42,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:47:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:47:43,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:43,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 10:47:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:43,225 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:43,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:43,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949565810] [2023-11-26 10:47:43,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:43,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825771131] [2023-11-26 10:47:43,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825771131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:43,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:43,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:43,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712036436] [2023-11-26 10:47:43,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:43,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:43,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:43,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:43,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:43,235 INFO L87 Difference]: Start difference. First operand 913 states and 1398 transitions. Second operand has 4 states, 3 states have (on average 2.0) 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) [2023-11-26 10:47:43,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:43,554 INFO L93 Difference]: Finished difference Result 1264 states and 1925 transitions. [2023-11-26 10:47:43,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:43,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) 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 [2023-11-26 10:47:43,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:43,570 INFO L225 Difference]: With dead ends: 1264 [2023-11-26 10:47:43,571 INFO L226 Difference]: Without dead ends: 1262 [2023-11-26 10:47:43,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:43,575 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 509 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 4260 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:43,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 4260 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:47:43,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2023-11-26 10:47:43,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 919. [2023-11-26 10:47:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 896 states have (on average 1.5379464285714286) internal successors, (1378), 906 states have internal predecessors, (1378), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 10:47:43,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1405 transitions. [2023-11-26 10:47:43,662 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1405 transitions. Word has length 6 [2023-11-26 10:47:43,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:43,662 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1405 transitions. [2023-11-26 10:47:43,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) 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) [2023-11-26 10:47:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1405 transitions. [2023-11-26 10:47:43,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-26 10:47:43,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:43,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:43,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:43,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:43,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:43,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:43,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1582795777, now seen corresponding path program 1 times [2023-11-26 10:47:43,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:43,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305510056] [2023-11-26 10:47:43,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:43,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:44,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:44,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305510056] [2023-11-26 10:47:44,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305510056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:44,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:44,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:44,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167234501] [2023-11-26 10:47:44,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:44,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:44,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:44,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:44,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:44,632 INFO L87 Difference]: Start difference. First operand 919 states and 1405 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:44,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:44,949 INFO L93 Difference]: Finished difference Result 1820 states and 2790 transitions. [2023-11-26 10:47:44,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:44,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-26 10:47:44,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:44,961 INFO L225 Difference]: With dead ends: 1820 [2023-11-26 10:47:44,962 INFO L226 Difference]: Without dead ends: 1261 [2023-11-26 10:47:44,964 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 [2023-11-26 10:47:44,968 INFO L413 NwaCegarLoop]: 1429 mSDtfsCounter, 510 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 4183 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:44,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 4183 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:47:44,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2023-11-26 10:47:45,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 919. [2023-11-26 10:47:45,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 896 states have (on average 1.5368303571428572) internal successors, (1377), 906 states have internal predecessors, (1377), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 10:47:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1404 transitions. [2023-11-26 10:47:45,028 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1404 transitions. Word has length 63 [2023-11-26 10:47:45,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:45,029 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1404 transitions. [2023-11-26 10:47:45,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1404 transitions. [2023-11-26 10:47:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 10:47:45,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:45,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:45,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:47:45,036 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:45,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:45,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1089056110, now seen corresponding path program 1 times [2023-11-26 10:47:45,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:45,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156658768] [2023-11-26 10:47:45,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:45,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:45,146 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:45,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949385047] [2023-11-26 10:47:45,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:45,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:45,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:45,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:45,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:47:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:45,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:47:45,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:45,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:45,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:45,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156658768] [2023-11-26 10:47:45,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:45,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949385047] [2023-11-26 10:47:45,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949385047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:45,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:45,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:45,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019654571] [2023-11-26 10:47:45,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:45,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:45,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:45,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:45,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:45,670 INFO L87 Difference]: Start difference. First operand 919 states and 1404 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:45,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:45,809 INFO L93 Difference]: Finished difference Result 1852 states and 2832 transitions. [2023-11-26 10:47:45,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:45,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2023-11-26 10:47:45,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:45,818 INFO L225 Difference]: With dead ends: 1852 [2023-11-26 10:47:45,818 INFO L226 Difference]: Without dead ends: 940 [2023-11-26 10:47:45,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:45,824 INFO L413 NwaCegarLoop]: 1375 mSDtfsCounter, 9 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:45,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2736 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:45,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2023-11-26 10:47:45,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 939. [2023-11-26 10:47:45,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 916 states have (on average 1.525109170305677) internal successors, (1397), 926 states have internal predecessors, (1397), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 10:47:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1424 transitions. [2023-11-26 10:47:45,869 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1424 transitions. Word has length 81 [2023-11-26 10:47:45,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:45,869 INFO L495 AbstractCegarLoop]: Abstraction has 939 states and 1424 transitions. [2023-11-26 10:47:45,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1424 transitions. [2023-11-26 10:47:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 10:47:45,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:45,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:45,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:46,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:46,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:46,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:46,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1143449008, now seen corresponding path program 1 times [2023-11-26 10:47:46,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:46,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676050008] [2023-11-26 10:47:46,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:46,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:46,191 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:46,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235510822] [2023-11-26 10:47:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:46,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:46,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:46,193 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:46,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:47:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:46,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:47:46,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:46,679 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:46,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:46,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676050008] [2023-11-26 10:47:46,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:46,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235510822] [2023-11-26 10:47:46,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235510822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:46,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:46,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:46,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526388106] [2023-11-26 10:47:46,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:46,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:46,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:46,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:46,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:46,683 INFO L87 Difference]: Start difference. First operand 939 states and 1424 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:46,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:46,834 INFO L93 Difference]: Finished difference Result 1858 states and 2828 transitions. [2023-11-26 10:47:46,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:46,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2023-11-26 10:47:46,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:46,842 INFO L225 Difference]: With dead ends: 1858 [2023-11-26 10:47:46,842 INFO L226 Difference]: Without dead ends: 926 [2023-11-26 10:47:46,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:46,845 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 165 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:46,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 3952 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:46,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2023-11-26 10:47:46,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 925. [2023-11-26 10:47:46,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 902 states have (on average 1.5254988913525498) internal successors, (1376), 912 states have internal predecessors, (1376), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 10:47:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1403 transitions. [2023-11-26 10:47:46,884 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1403 transitions. Word has length 81 [2023-11-26 10:47:46,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:46,885 INFO L495 AbstractCegarLoop]: Abstraction has 925 states and 1403 transitions. [2023-11-26 10:47:46,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:46,886 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1403 transitions. [2023-11-26 10:47:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 10:47:46,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:46,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:46,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:47,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:47,096 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:47,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:47,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1628438430, now seen corresponding path program 1 times [2023-11-26 10:47:47,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:47,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779557451] [2023-11-26 10:47:47,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:47,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:47,158 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:47,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218348601] [2023-11-26 10:47:47,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:47,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:47,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:47,160 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:47,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:47:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:47:47,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:47,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 10:47:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:47,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:47,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:47,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779557451] [2023-11-26 10:47:47,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:47,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218348601] [2023-11-26 10:47:47,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218348601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:47,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:47,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:47,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858747388] [2023-11-26 10:47:47,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:47,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:47,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:47,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:47,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:47,874 INFO L87 Difference]: Start difference. First operand 925 states and 1403 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:48,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:48,298 INFO L93 Difference]: Finished difference Result 1282 states and 1929 transitions. [2023-11-26 10:47:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:47:48,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2023-11-26 10:47:48,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:48,309 INFO L225 Difference]: With dead ends: 1282 [2023-11-26 10:47:48,310 INFO L226 Difference]: Without dead ends: 1281 [2023-11-26 10:47:48,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:47:48,312 INFO L413 NwaCegarLoop]: 1611 mSDtfsCounter, 852 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 5713 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:48,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 5713 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:47:48,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2023-11-26 10:47:48,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1277. [2023-11-26 10:47:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 1248 states have (on average 1.5128205128205128) internal successors, (1888), 1258 states have internal predecessors, (1888), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:47:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1927 transitions. [2023-11-26 10:47:48,378 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1927 transitions. Word has length 81 [2023-11-26 10:47:48,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:48,380 INFO L495 AbstractCegarLoop]: Abstraction has 1277 states and 1927 transitions. [2023-11-26 10:47:48,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:48,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1927 transitions. [2023-11-26 10:47:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-26 10:47:48,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:48,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:48,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:48,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 10:47:48,590 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:48,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:48,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1058017758, now seen corresponding path program 1 times [2023-11-26 10:47:48,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:48,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759792781] [2023-11-26 10:47:48,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:48,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:48,680 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:48,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806212066] [2023-11-26 10:47:48,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:48,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:48,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:48,684 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:48,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 10:47:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:49,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:47:49,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:49,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 10:47:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:49,331 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:49,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:49,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759792781] [2023-11-26 10:47:49,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:49,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806212066] [2023-11-26 10:47:49,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806212066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:49,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:49,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:49,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748233457] [2023-11-26 10:47:49,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:49,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:49,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:49,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:49,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:49,336 INFO L87 Difference]: Start difference. First operand 1277 states and 1927 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:49,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:49,732 INFO L93 Difference]: Finished difference Result 1277 states and 1927 transitions. [2023-11-26 10:47:49,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:47:49,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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 82 [2023-11-26 10:47:49,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:49,744 INFO L225 Difference]: With dead ends: 1277 [2023-11-26 10:47:49,744 INFO L226 Difference]: Without dead ends: 1276 [2023-11-26 10:47:49,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:47:49,746 INFO L413 NwaCegarLoop]: 1321 mSDtfsCounter, 1262 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 3969 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:49,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 3969 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:47:49,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2023-11-26 10:47:49,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1276. [2023-11-26 10:47:49,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1248 states have (on average 1.5112179487179487) internal successors, (1886), 1257 states have internal predecessors, (1886), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:47:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1925 transitions. [2023-11-26 10:47:49,812 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1925 transitions. Word has length 82 [2023-11-26 10:47:49,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:49,812 INFO L495 AbstractCegarLoop]: Abstraction has 1276 states and 1925 transitions. [2023-11-26 10:47:49,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1925 transitions. [2023-11-26 10:47:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-26 10:47:49,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:49,820 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:49,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:50,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 10:47:50,028 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:50,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:50,028 INFO L85 PathProgramCache]: Analyzing trace with hash 776829749, now seen corresponding path program 1 times [2023-11-26 10:47:50,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:50,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646128560] [2023-11-26 10:47:50,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:50,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:50,090 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:50,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428021581] [2023-11-26 10:47:50,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:50,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:50,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:50,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:50,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 10:47:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:50,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:47:50,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:47:50,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:50,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:50,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646128560] [2023-11-26 10:47:50,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:50,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428021581] [2023-11-26 10:47:50,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428021581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:50,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:50,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:50,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373420062] [2023-11-26 10:47:50,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:50,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:50,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:50,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:50,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:50,894 INFO L87 Difference]: Start difference. First operand 1276 states and 1925 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:51,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:51,066 INFO L93 Difference]: Finished difference Result 3199 states and 4849 transitions. [2023-11-26 10:47:51,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:51,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 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 87 [2023-11-26 10:47:51,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:51,083 INFO L225 Difference]: With dead ends: 3199 [2023-11-26 10:47:51,083 INFO L226 Difference]: Without dead ends: 1930 [2023-11-26 10:47:51,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:51,091 INFO L413 NwaCegarLoop]: 1596 mSDtfsCounter, 766 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 2957 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:51,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 2957 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:51,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2023-11-26 10:47:51,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1925. [2023-11-26 10:47:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 1892 states have (on average 1.5190274841437632) internal successors, (2874), 1901 states have internal predecessors, (2874), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:47:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2923 transitions. [2023-11-26 10:47:51,189 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2923 transitions. Word has length 87 [2023-11-26 10:47:51,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:51,190 INFO L495 AbstractCegarLoop]: Abstraction has 1925 states and 2923 transitions. [2023-11-26 10:47:51,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:47:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2923 transitions. [2023-11-26 10:47:51,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-26 10:47:51,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:51,193 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:51,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:51,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-26 10:47:51,400 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:51,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:51,401 INFO L85 PathProgramCache]: Analyzing trace with hash 32809365, now seen corresponding path program 1 times [2023-11-26 10:47:51,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:51,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087294243] [2023-11-26 10:47:51,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:51,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:51,472 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:51,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44433040] [2023-11-26 10:47:51,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:51,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:51,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:51,474 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:51,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 10:47:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:51,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:47:51,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:52,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 10:47:52,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 10:47:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:47:52,034 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:52,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:52,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087294243] [2023-11-26 10:47:52,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:52,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44433040] [2023-11-26 10:47:52,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44433040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:52,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:52,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:52,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321802697] [2023-11-26 10:47:52,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:52,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:52,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:52,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:52,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:52,038 INFO L87 Difference]: Start difference. First operand 1925 states and 2923 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:52,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:52,326 INFO L93 Difference]: Finished difference Result 3152 states and 4791 transitions. [2023-11-26 10:47:52,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:52,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 100 [2023-11-26 10:47:52,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:52,341 INFO L225 Difference]: With dead ends: 3152 [2023-11-26 10:47:52,341 INFO L226 Difference]: Without dead ends: 1871 [2023-11-26 10:47:52,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:52,347 INFO L413 NwaCegarLoop]: 1421 mSDtfsCounter, 493 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 4159 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:52,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 4159 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:52,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2023-11-26 10:47:52,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1810. [2023-11-26 10:47:52,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1810 states, 1777 states have (on average 1.5188519977490151) internal successors, (2699), 1786 states have internal predecessors, (2699), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:47:52,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2748 transitions. [2023-11-26 10:47:52,441 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2748 transitions. Word has length 100 [2023-11-26 10:47:52,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:52,442 INFO L495 AbstractCegarLoop]: Abstraction has 1810 states and 2748 transitions. [2023-11-26 10:47:52,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2748 transitions. [2023-11-26 10:47:52,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-26 10:47:52,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:52,445 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:52,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:52,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-26 10:47:52,659 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:52,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:52,660 INFO L85 PathProgramCache]: Analyzing trace with hash -388783573, now seen corresponding path program 1 times [2023-11-26 10:47:52,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:52,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900705954] [2023-11-26 10:47:52,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:52,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:52,757 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:52,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092475960] [2023-11-26 10:47:52,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:52,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:52,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:52,760 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:52,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 10:47:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:53,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:47:53,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:47:53,423 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:53,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:53,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900705954] [2023-11-26 10:47:53,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:53,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092475960] [2023-11-26 10:47:53,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092475960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:53,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:53,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:53,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802915624] [2023-11-26 10:47:53,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:53,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:53,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:53,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:53,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:53,429 INFO L87 Difference]: Start difference. First operand 1810 states and 2748 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:53,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:53,589 INFO L93 Difference]: Finished difference Result 3628 states and 5504 transitions. [2023-11-26 10:47:53,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:53,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 165 [2023-11-26 10:47:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:53,603 INFO L225 Difference]: With dead ends: 3628 [2023-11-26 10:47:53,603 INFO L226 Difference]: Without dead ends: 1873 [2023-11-26 10:47:53,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:53,607 INFO L413 NwaCegarLoop]: 1367 mSDtfsCounter, 9 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2720 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:53,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2720 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:53,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2023-11-26 10:47:53,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1870. [2023-11-26 10:47:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1837 states have (on average 1.501905280348394) internal successors, (2759), 1846 states have internal predecessors, (2759), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:47:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2808 transitions. [2023-11-26 10:47:53,729 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2808 transitions. Word has length 165 [2023-11-26 10:47:53,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:53,729 INFO L495 AbstractCegarLoop]: Abstraction has 1870 states and 2808 transitions. [2023-11-26 10:47:53,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2808 transitions. [2023-11-26 10:47:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-26 10:47:53,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:53,733 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:53,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:53,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:53,942 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:53,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash -727071123, now seen corresponding path program 1 times [2023-11-26 10:47:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:53,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271752] [2023-11-26 10:47:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:53,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:54,041 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:54,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795486318] [2023-11-26 10:47:54,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:54,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:54,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:54,044 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:54,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 10:47:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:54,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:47:54,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:47:54,752 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:54,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:54,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271752] [2023-11-26 10:47:54,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:54,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795486318] [2023-11-26 10:47:54,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795486318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:54,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:54,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:54,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400415561] [2023-11-26 10:47:54,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:54,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:54,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:54,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:54,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:54,756 INFO L87 Difference]: Start difference. First operand 1870 states and 2808 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:54,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:54,910 INFO L93 Difference]: Finished difference Result 3628 states and 5465 transitions. [2023-11-26 10:47:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:54,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 165 [2023-11-26 10:47:54,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:54,923 INFO L225 Difference]: With dead ends: 3628 [2023-11-26 10:47:54,924 INFO L226 Difference]: Without dead ends: 1831 [2023-11-26 10:47:54,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:54,928 INFO L413 NwaCegarLoop]: 1360 mSDtfsCounter, 165 mSDsluCounter, 2568 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 3928 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:54,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 3928 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2023-11-26 10:47:54,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1828. [2023-11-26 10:47:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1828 states, 1795 states have (on average 1.501949860724234) internal successors, (2696), 1804 states have internal predecessors, (2696), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:47:55,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 2745 transitions. [2023-11-26 10:47:55,007 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 2745 transitions. Word has length 165 [2023-11-26 10:47:55,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:55,007 INFO L495 AbstractCegarLoop]: Abstraction has 1828 states and 2745 transitions. [2023-11-26 10:47:55,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:55,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2745 transitions. [2023-11-26 10:47:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-26 10:47:55,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:55,011 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:55,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:55,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:55,220 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:55,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:55,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1135262689, now seen corresponding path program 1 times [2023-11-26 10:47:55,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:55,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571284030] [2023-11-26 10:47:55,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:55,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:55,334 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:55,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735617674] [2023-11-26 10:47:55,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:55,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:55,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:55,336 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:55,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-26 10:47:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:56,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:47:56,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:47:56,319 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:56,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:56,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571284030] [2023-11-26 10:47:56,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:56,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735617674] [2023-11-26 10:47:56,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735617674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:56,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:56,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:56,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912469269] [2023-11-26 10:47:56,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:56,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:56,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:56,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:56,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:56,323 INFO L87 Difference]: Start difference. First operand 1828 states and 2745 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:56,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:56,501 INFO L93 Difference]: Finished difference Result 4142 states and 6269 transitions. [2023-11-26 10:47:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:56,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 165 [2023-11-26 10:47:56,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:56,519 INFO L225 Difference]: With dead ends: 4142 [2023-11-26 10:47:56,519 INFO L226 Difference]: Without dead ends: 2446 [2023-11-26 10:47:56,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:56,524 INFO L413 NwaCegarLoop]: 1378 mSDtfsCounter, 725 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:56,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 2731 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:56,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2023-11-26 10:47:56,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2191. [2023-11-26 10:47:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 2155 states have (on average 1.5136890951276103) internal successors, (3262), 2164 states have internal predecessors, (3262), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 10:47:56,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 3317 transitions. [2023-11-26 10:47:56,626 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 3317 transitions. Word has length 165 [2023-11-26 10:47:56,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:56,627 INFO L495 AbstractCegarLoop]: Abstraction has 2191 states and 3317 transitions. [2023-11-26 10:47:56,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:56,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 3317 transitions. [2023-11-26 10:47:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-26 10:47:56,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:56,630 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:56,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:56,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:56,840 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:56,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:56,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1129763392, now seen corresponding path program 1 times [2023-11-26 10:47:56,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:56,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682255353] [2023-11-26 10:47:56,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:56,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:56,945 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:56,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2030692150] [2023-11-26 10:47:56,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:56,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:56,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:56,947 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:56,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-26 10:47:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:47:57,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:57,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 10:47:58,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 10:47:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-26 10:47:58,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:58,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:58,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682255353] [2023-11-26 10:47:58,353 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:58,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030692150] [2023-11-26 10:47:58,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030692150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:58,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:58,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:47:58,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828656830] [2023-11-26 10:47:58,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:58,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:58,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:58,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:58,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:58,357 INFO L87 Difference]: Start difference. First operand 2191 states and 3317 transitions. Second operand has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:47:58,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:58,713 INFO L93 Difference]: Finished difference Result 2191 states and 3317 transitions. [2023-11-26 10:47:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:58,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 178 [2023-11-26 10:47:58,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:58,729 INFO L225 Difference]: With dead ends: 2191 [2023-11-26 10:47:58,729 INFO L226 Difference]: Without dead ends: 2190 [2023-11-26 10:47:58,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 167 SyntacticMatches, 7 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:58,731 INFO L413 NwaCegarLoop]: 1306 mSDtfsCounter, 1199 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 2630 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:58,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 2630 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:47:58,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2023-11-26 10:47:58,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 1832. [2023-11-26 10:47:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1832 states, 1803 states have (on average 1.5257903494176372) internal successors, (2751), 1811 states have internal predecessors, (2751), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-26 10:47:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2794 transitions. [2023-11-26 10:47:58,817 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2794 transitions. Word has length 178 [2023-11-26 10:47:58,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:58,818 INFO L495 AbstractCegarLoop]: Abstraction has 1832 states and 2794 transitions. [2023-11-26 10:47:58,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:47:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2794 transitions. [2023-11-26 10:47:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-26 10:47:58,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:58,822 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:58,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:59,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 10:47:59,032 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:47:59,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:59,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1144712851, now seen corresponding path program 1 times [2023-11-26 10:47:59,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:59,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639231661] [2023-11-26 10:47:59,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:59,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:59,132 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:59,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [73662138] [2023-11-26 10:47:59,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:59,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:59,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:59,134 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:59,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-26 10:48:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:00,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-26 10:48:00,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-26 10:48:00,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:00,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:00,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639231661] [2023-11-26 10:48:00,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:00,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73662138] [2023-11-26 10:48:00,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73662138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:00,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:00,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:00,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220184011] [2023-11-26 10:48:00,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:00,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:00,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:00,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:00,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:00,326 INFO L87 Difference]: Start difference. First operand 1832 states and 2794 transitions. Second operand has 4 states, 3 states have (on average 57.333333333333336) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-26 10:48:00,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:00,447 INFO L93 Difference]: Finished difference Result 3540 states and 5413 transitions. [2023-11-26 10:48:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:00,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 57.333333333333336) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 184 [2023-11-26 10:48:00,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:00,460 INFO L225 Difference]: With dead ends: 3540 [2023-11-26 10:48:00,460 INFO L226 Difference]: Without dead ends: 1834 [2023-11-26 10:48:00,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:00,465 INFO L413 NwaCegarLoop]: 1376 mSDtfsCounter, 1 mSDsluCounter, 2745 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4121 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:00,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4121 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:00,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2023-11-26 10:48:00,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1834. [2023-11-26 10:48:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1804 states have (on average 1.5260532150776054) internal successors, (2753), 1813 states have internal predecessors, (2753), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2023-11-26 10:48:00,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2799 transitions. [2023-11-26 10:48:00,536 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2799 transitions. Word has length 184 [2023-11-26 10:48:00,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:00,537 INFO L495 AbstractCegarLoop]: Abstraction has 1834 states and 2799 transitions. [2023-11-26 10:48:00,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 57.333333333333336) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-26 10:48:00,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2799 transitions. [2023-11-26 10:48:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-26 10:48:00,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:00,541 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:00,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-26 10:48:00,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:00,752 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:48:00,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1804643489, now seen corresponding path program 1 times [2023-11-26 10:48:00,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:00,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063171550] [2023-11-26 10:48:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:00,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:00,867 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:00,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604775652] [2023-11-26 10:48:00,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:00,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:00,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:00,869 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:00,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-26 10:48:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:01,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-26 10:48:01,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:01,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 10:48:02,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 10:48:02,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-26 10:48:02,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:48:02,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 23 [2023-11-26 10:48:02,852 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:48:02,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:02,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:02,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063171550] [2023-11-26 10:48:02,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:02,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604775652] [2023-11-26 10:48:02,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604775652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:02,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:02,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-26 10:48:02,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290111973] [2023-11-26 10:48:02,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:02,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 10:48:02,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:02,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 10:48:02,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:48:02,857 INFO L87 Difference]: Start difference. First operand 1834 states and 2799 transitions. Second operand has 12 states, 12 states have (on average 14.25) internal successors, (171), 11 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:48:06,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:06,117 INFO L93 Difference]: Finished difference Result 3685 states and 5609 transitions. [2023-11-26 10:48:06,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:48:06,118 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.25) internal successors, (171), 11 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2023-11-26 10:48:06,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:06,129 INFO L225 Difference]: With dead ends: 3685 [2023-11-26 10:48:06,129 INFO L226 Difference]: Without dead ends: 1935 [2023-11-26 10:48:06,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2023-11-26 10:48:06,133 INFO L413 NwaCegarLoop]: 1315 mSDtfsCounter, 748 mSDsluCounter, 7468 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 8783 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:06,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 8783 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-26 10:48:06,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2023-11-26 10:48:06,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1866. [2023-11-26 10:48:06,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1866 states, 1836 states have (on average 1.5196078431372548) internal successors, (2790), 1845 states have internal predecessors, (2790), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2023-11-26 10:48:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 2836 transitions. [2023-11-26 10:48:06,256 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 2836 transitions. Word has length 188 [2023-11-26 10:48:06,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:06,257 INFO L495 AbstractCegarLoop]: Abstraction has 1866 states and 2836 transitions. [2023-11-26 10:48:06,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.25) internal successors, (171), 11 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:48:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2836 transitions. [2023-11-26 10:48:06,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-26 10:48:06,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:06,262 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:06,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:06,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:06,474 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:48:06,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:06,475 INFO L85 PathProgramCache]: Analyzing trace with hash -400774303, now seen corresponding path program 1 times [2023-11-26 10:48:06,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:06,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679491742] [2023-11-26 10:48:06,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:06,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:06,601 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:06,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1075934058] [2023-11-26 10:48:06,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:06,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:06,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:06,604 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:06,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-26 10:48:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:07,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:48:07,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:07,475 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:48:07,475 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:07,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:07,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679491742] [2023-11-26 10:48:07,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:07,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075934058] [2023-11-26 10:48:07,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075934058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:07,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:07,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:48:07,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478215109] [2023-11-26 10:48:07,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:07,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:07,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:07,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:07,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:07,481 INFO L87 Difference]: Start difference. First operand 1866 states and 2836 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:48:07,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:07,669 INFO L93 Difference]: Finished difference Result 3816 states and 5831 transitions. [2023-11-26 10:48:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:07,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2023-11-26 10:48:07,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:07,682 INFO L225 Difference]: With dead ends: 3816 [2023-11-26 10:48:07,682 INFO L226 Difference]: Without dead ends: 2054 [2023-11-26 10:48:07,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:07,686 INFO L413 NwaCegarLoop]: 1364 mSDtfsCounter, 145 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:07,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 4078 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2023-11-26 10:48:07,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 1889. [2023-11-26 10:48:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1859 states have (on average 1.5126412049488973) internal successors, (2812), 1868 states have internal predecessors, (2812), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2023-11-26 10:48:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2858 transitions. [2023-11-26 10:48:07,761 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2858 transitions. Word has length 188 [2023-11-26 10:48:07,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:07,761 INFO L495 AbstractCegarLoop]: Abstraction has 1889 states and 2858 transitions. [2023-11-26 10:48:07,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:48:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2858 transitions. [2023-11-26 10:48:07,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-26 10:48:07,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:07,765 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:07,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:07,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:07,975 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:48:07,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:07,976 INFO L85 PathProgramCache]: Analyzing trace with hash 337854537, now seen corresponding path program 1 times [2023-11-26 10:48:07,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:07,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180653602] [2023-11-26 10:48:07,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:07,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:08,069 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:08,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1885183092] [2023-11-26 10:48:08,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:08,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:08,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:08,072 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:08,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-26 10:48:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:09,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-26 10:48:09,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:09,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 10:48:09,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 10:48:09,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-26 10:48:10,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:48:10,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 23 [2023-11-26 10:48:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:48:10,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:10,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:10,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180653602] [2023-11-26 10:48:10,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:10,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885183092] [2023-11-26 10:48:10,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885183092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:10,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:10,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-26 10:48:10,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90885314] [2023-11-26 10:48:10,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:10,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-26 10:48:10,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:10,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 10:48:10,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-11-26 10:48:10,656 INFO L87 Difference]: Start difference. First operand 1889 states and 2858 transitions. Second operand has 14 states, 14 states have (on average 12.285714285714286) internal successors, (172), 13 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:48:15,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:15,314 INFO L93 Difference]: Finished difference Result 3731 states and 5657 transitions. [2023-11-26 10:48:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:48:15,314 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.285714285714286) internal successors, (172), 13 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2023-11-26 10:48:15,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:15,324 INFO L225 Difference]: With dead ends: 3731 [2023-11-26 10:48:15,325 INFO L226 Difference]: Without dead ends: 1958 [2023-11-26 10:48:15,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2023-11-26 10:48:15,328 INFO L413 NwaCegarLoop]: 1314 mSDtfsCounter, 741 mSDsluCounter, 12035 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 13349 SdHoareTripleChecker+Invalid, 1971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:15,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 13349 Invalid, 1971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-26 10:48:15,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1958 states. [2023-11-26 10:48:15,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1958 to 1891. [2023-11-26 10:48:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1891 states, 1861 states have (on average 1.5120902740462117) internal successors, (2814), 1870 states have internal predecessors, (2814), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2023-11-26 10:48:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2860 transitions. [2023-11-26 10:48:15,393 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2860 transitions. Word has length 189 [2023-11-26 10:48:15,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:15,393 INFO L495 AbstractCegarLoop]: Abstraction has 1891 states and 2860 transitions. [2023-11-26 10:48:15,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.285714285714286) internal successors, (172), 13 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:48:15,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2860 transitions. [2023-11-26 10:48:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-26 10:48:15,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:15,397 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:15,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:15,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:15,610 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-26 10:48:15,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:15,610 INFO L85 PathProgramCache]: Analyzing trace with hash 371017912, now seen corresponding path program 1 times [2023-11-26 10:48:15,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:15,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965801226] [2023-11-26 10:48:15,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:15,706 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:15,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526325510] [2023-11-26 10:48:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:15,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:15,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:15,708 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:15,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04f867cb-b05a-4dbf-8899-8ed86150cd7a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process